cast
-
Roy Thinnes
David Vincent
-
Kent Smith
Stan Arthur / Edgar Scoville
-
William Windom
Major Rick Graves / Michael Tressider
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Diana Hyland
Sherri Vikor / Ellie Markham
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William Woodson
Narrator (voice) (uncredited)
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Michael Rennie
Vice Chancellor Pierre Alquist / Magnus
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Lin McCarthy
Col. Archie Harmon / Fellows
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Simon Scott
Dr. John Slaton / Maj. Pete Stanhope / Dr. Malcolm Gantley
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Anthony Eisley
Bob Torin / Tony LaCava
- Ray Kellogg Guard / Policeman
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Richard O'Brien
Prof. Charles McKay / Brother John / Police Sergeant
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Byron Keith
Air Crash Investigator / Gen. Cullenbine / Brother James
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John Milford
Jim Bryce / Sheriff Lou Carver / James Boland
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Morgan Jones
Reporter / Guard / Lt. Rawlings
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Wayne Heffley
Deputy / Sergeant
- Hal Taggart Juror (uncredited) / Pedestrian (uncredited) / Alien (uncredited)
- Ron Nyman Alien (uncredited) / Bartender / Alien (uncredited)
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John Ward
Alien Pilot / Trooper
- Tina Menard Maid / Mama
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Harold Gould
Allen Slater / Dr. Mailer
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Hank Brandt
Joe Manners / Man
- William Stevens Sergeant / Cobbs
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Dabney Coleman
John Carter / Capt. Mitchell Ross
- William Wintersole Alien / Carr
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William Sargent
Dr. Ken Harrison / Dr. John Devin
-
Sam Edwards
Thatcher / Hank
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Laurence Naismith
Professor Lindstrom / Cyrus Stone
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Patricia Smith
Sally Palay / Edna Greely
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Robert Knapp
Lt. Col. Howell / Congressman Joe Bonning
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Lawrence Montaigne
Man / Garth
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James T. Callahan
Dr. Harry Mills / Ed Gidney
- Lew Brown Aide / Non-Com in Charge
- Dallas Mitchell Jim Rogers / Andy
- Robert Sorrells Deputy Jim / Station Attendant
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J.D. Cannon
Peter Kalter / Police Lt. Ben Holman
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Hal Baylor
Guard / Friendly Guard
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James Daly
Gen. Samuel Arlington Concannon / Alan Landers
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Alfred Ryder
Ryder (Invader Leader) / Mr. Nexus
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Tom Palmer
Spence / Dorian
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Douglas Henderson
Lieutenant Farley / Martin
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Ford Rainey
George Grundy / Gen. Jonathan Blaine
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Noah Keen
Paul Meyers / Psychiatrist
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John Mayo
Alien / Weatherman
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Ed Begley
Simon Carver / Dr. Samuel Crowell
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Don Ross
Reporter / Ed Larson
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Barney Phillips
Walt Anson / Emmett Morgen
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Mary Jackson
Nurse / Hattie Willis
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Byron Morrow
Gilbert / Col. Newcomb
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Suzanne Pleshette
Anne Gibbs / Vikki
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William Smithers
Adam Lane / Nat Greely
- Frank Marth Eric H. Lund / Alien
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Katherine Justice
Janet Garner / Helen
- James Devine Jimmy / TV Man
- Allen Emerson Library Alien / Organist
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Peter Mark Richman
Andrew Hatcher / Tom Wiley
- Johnny Jensen Frankie Reed / Young Nat
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Robert H. Harris
Dr. Stanley Frederickson / Hastings
- Linden Chiles Jeremy Mace / Dr. Bob Vincent
- Craig Chudy Alien (uncredited) / Alien
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John S. Ragin
Kant / John Finney
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Joanne Linville
Angela Smith / Prof. Pat Reed
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John Zaremba
General / Professor Ed Harrison
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Ross Elliott
McNally / Prof. Eliot Kramer
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Joel Fluellen
Homer Warren / Butler
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Ross Hagen
Perry / Jorden
- Lee Farr Justice Department Agent
- Michael Harris Mail Truck Driver
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Susan Oliver
Stacy / Joan Seeley
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Paul Comi
Police Sgt. Leeds / Danny
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R.G. Armstrong
Gus Flagg / Police Capt. Bill Battersea
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Rayford Barnes
Alien Driver / Alien Deputy
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Eduard Franz
Premier Thor Halvorsen
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Ed Asner
Harry Ferguson / Taugus
- Christopher Shea Jimmy / Johnny
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Gene Lyons
John Corwin / Sawyer
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Troy Melton
Journalist / Chauffeur
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Ted Knight
Alien Narrator (uncredited) / Alien Air Force Major McEvoy
- Donald Davis Harland / Lucien
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Dan Frazer
Reporter (uncredited) / Reporter
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Dawn Wells
Eileen Brown
-
Laurie Mock
Female Alien
- Jerry Ayres Groom
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Diane Baker
Kathy Adams
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Ellen Corby
Aunt Sara
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Vaughn Taylor
Kemper
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Skip Ward
Man
- Bonnie Beecher Woman
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Roddy McDowall
Lloyd Lindstrom
-
Willard Sage
Lieutenant James
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Dabbs Greer
The Minister
- Jackie Kendall Proprietress
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Stuart Lancaster
Superintendent
-
Soon-Tek Oh
Houseboy
- Mel Gallagher Nurse
- Roy N. Sickner Cab Driver
-
Paul Gleason
Alien
-
Edward Andrews
Evans
-
Rodolfo Hoyos Jr.
Miguel
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Argentina Brunetti
Luz
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Roy Jenson
Alien
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Val Avery
Manager
-
Ted Gehring
Cab Driver
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Pedro Regas
Beggar
- Tony Davis Boy
-
Roberto Contreras
Guide
- Pepe Callahan Guide
-
Diana Van der Vlis
Eve Doneghan
-
Arthur Hill
Warren Doneghan
-
Theo Marcuse
Noel Markham
-
Peter Brocco
Millington
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Carol Eve Rossen
Selene Lowell
-
Louise Latham
Joan Corman
-
John Larch
Greg Lucather
-
Frank Overton
Dr. Grayson
-
Jonathan Goldsmith
Kevin Ryan
-
Phillip Pine
Sgt. Hal Corman
-
Danni Sue Nolan
Nurse
-
Bill Erwin
Manager
-
Jack Lord
George Vikor
- Joe Di Reda Phil
- Larry Duran Houseboy
-
Max Kleven
Guard
-
Robert Emhardt
Oliver Ames
-
Kathleen Widdoes
Ellen Woods
-
Irene Tedrow
Clare Lapham
- Nellie Burt Lena Lapham
- Logan Field Carl Gidney
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Jeanette Nolan
Miss Havergill
- William Bramley Constable Gabbard
- Jim Halferty Fred Danielson
-
Carey Loftin
Hank Braden
-
William Challee
Danielson
-
John Harmon
Cook
-
Andrew Duggan
General Theodore Beaumont
-
Robert Osterloh
Carl Wyeth
-
Wesley Addy
Tomkins
- Rick Murray Parking Attendant
- David Armstrong MP
- K.L. Smith Guard
-
Don Kennedy
Guard
-
James Whitmore
Harry Swain
-
William Talman
Colonel Griffith
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Milton Selzer
A.J. Richards
-
Susan Strasberg
Diane Oberly
- Ernest Sarracino Leo Rinaldi
- Mel Ruick Minister
- Ron Doyle Rescuer
-
Raymond Guth
Guard
- Robert Doyle Sgt. Walter Ruddell
-
Paul Carr
Billy Stearns
-
Erik Holland
MP Alien
-
Harry Lauter
Alien
-
Jack Warden
Barney Cahill
-
Murray Matheson
Dr. Reynard
-
Barry Russo
Lt. Alvarado
-
David Sheiner
Mr. Burns
- Clarke Gordon Mr. Nova
-
Paul Pepper
Dispatcher
-
Garth Pillsbury
Intern
- Bud Perkins Bartender
- Jacqueline Mayo Sobbing Woman
-
Ted Markland
Alien
- John Napier Alien
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Laura Devon
Susan Carver
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Nancy Wickwire
Evelyn Bowers
-
Norman Fell
Neal Taft
-
Victor Brandt
Joey Taft
- Gilchrist Stuart Waiter
-
Garrison True
Doctor
- Bill Fletcher Alien
- Ron Stokes Alien at Controls
-
Joseph Campanella
Father Joe
-
Dean Harens
Dr. MacLeuen
-
Carlos Romero
Luis Perez
-
BarBara Luna
Lisa
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John McLiam
Hotel Clerk
-
Edward Faulkner
Alien
-
Robert Walker Jr.
Nick Baxter
-
Lynn Loring
Madeline Flagg
-
Joseph V. Perry
Joe Bagely
- Len Wayland Deputy Wallace
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Helen Kleeb
Mollly
- Don Eitner Webster
- Mercedes Shirley Woman Attendant
- Ralph Thomas Deputy in Charge
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Peter Graves
Gavin Lewis
-
John Ericson
Hardy Smith
-
Strother Martin
Charlie Coogan
-
John Lupton
Maj. Clifford Banks
-
Richard X. Slattery
Riley
-
Paul Lukather
Correll
-
John Carter
Owens
- Charles McDaniel Roberts
-
Ollie O'Toole
Reporter
- Steve Cory Attendant
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Julie Sommars
Grace Vincent
-
Burgess Meredith
Theodore Booth
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Lloyd Gough
Joe McMullen
-
Russ Conway
Detective Harding
- Mary Lou Taylor Mrs. Endicott
-
Karen Norris
Miss Johnson
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Peggy Lipton
Bride
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Ralph Bellamy
Morgan Tate
-
Marlyn Mason
Carol Tate
-
Murray Hamilton
Lewis Dunhill
-
Wright King
Ed Tonkin
- Harlan Warde Ed Peterson
-
Paul Bryar
J.O. Brock
-
Larry Ward
Detective Carter
-
Garry Walberg
Detective Reagan
- Kevin Burchett Paul
- Gordon Wescourt Joey
- Debi Storm Victoria
-
Geoffrey Deuel
Teen
-
Stuart Nisbet
Coroner
-
Seymour Cassel
Driver
-
Antoinette Bower
Laurie Keller
-
Jason Evers
Maj. Dan Keller
-
Robert Brubaker
Gen. Winters
-
Forrest Compton
Capt. Chester Albertson
-
Burt Douglas
Capt. Burt Connors
- Roy Engel Dr. Frederick Rogers
-
Mort Mills
Mr. Arius
-
Anne Francis
Annie Rhodes
-
Charles Drake
Robert Morrison
-
Kelly Thordsen
Police Chief Sam Thorne
-
Sandy Kenyon
Alien Leader
- Glenn Bradley Doctor
-
Shirley Knight
Margaret Cook
-
Kevin McCarthy
Paul Cook
-
Leonard Stone
Ramsey
-
Robert Yuro
Simms
-
Walter Brooke
Danvers
-
Harry Hickox
Bowman
-
James Seay
Grayson
- Paul Sorensen Alien
- Marlowe Jensen Alien
-
Nan Martin
Dr. Maria McKinley
-
Harry Townes
Will Hale
-
Ron Hayes
Sheriff Gordon Clements
-
Mark Roberts
Dr. Sam Larousse
-
James B. Sikking
Capt. William Taft
-
Jon Lormer
Minister
-
Claudia Bryar
Townswoman
-
Phil Chambers
Townsman
-
Barbara Barrie
Gale Frazer
-
Paul Mantee
Deputy Vern Hammond
-
Richard Anderson
Blake
-
George Keymas
Lavin
-
Russell Thorson
Sheriff
-
Don Gordon
Charlie Gilman
-
Russell Johnson
James Bernard
-
Lynda Day George
Janet Wilk
-
Malcolm Atterbury
Judge Simonson
-
Bill Zuckert
Sgt. Bert Wisnovsky
- John Rayner Fred Wilk
-
Richard Hale
Fred Wilk Sr.
-
James McCallion
Brennan
- Selette Cole Miss Cole
-
Jason Wingreen
Court Clerk
- Amy Douglass Mrs. Wilk
-
Sid McCoy
John Lovell
-
Gene Hackman
Tom Jessup
-
Mark Miller
Jack Palay
-
John Randolph
Police Sgt. Ernie Goldhaver
-
Wayne Rogers
Police Lt. John Mattson
-
Noam Pitlik
Jerry Burns
- Joel Davison Earl Garber
- Christine Matchett Elizabeth Garber
-
James Gammon
Hal
- Judee Morton Mavis
-
Kevin Coughlin
Roy
- Vince Howard Frank
- Brian Nash Mike
- Stephen Liss Archie
-
Andrew Prine
Vern Corbett
-
Whit Bissell
Col. Harris
- Susan Davis Mrs. James
-
Tim McIntire
Hal
-
Tom Lowell
Steve
-
Kelly Jean Peters
Nicole
-
Walter Reed
Major
- Bard Stevens Ambulance Driver
-
Ian Wolfe
Secretary Knute Rosmundson
-
Ben Wright
Emissary
-
Peter Hobbs
Colonel
-
Martin West
Lieutenant
-
Vic Perrin
Hypnotist Alien
- Don Lamond Newsman
- Victoria Hale Hippie
-
William Boyett
Tressider's Man
-
Richard Eastham
Carl Vanders
- Jay Lanin Alquist's Aide
-
Albert Carrier
Frenchman
- Hank Simms Journalist
-
Pat Hingle
Brother Avery
-
Zina Bethune
Sister Claire
-
Roger Perry
Bill Shay
-
Sally Kellerman
Laura Crowell
-
Virginia Christine
Mrs. Thorne
-
Ed Peck
Darrow
- Martin Blaine Argyle
-
E.J. André
Dr. Henry Thorne
-
Bill Quinn
Police Lieutenant Eaton
-
Barbara Dodd
Miss Fox
-
Wilhelm von Homburg
Alien Patient
- William Sumper Cab Driver
-
Dana Wynter
Dr. Katherina Serret
-
Don Dubbins
Wesley J. Sanders
-
Fritz Weaver
Deputy Ambassador Peter Borke
-
Lawrence Dane
Josef Dansk
-
Peter Coe
Leo
-
Robert Patten
Murphy
-
Alex Rodine
Guard
-
Carol Lynley
Elyse Reynolds
-
Richard Karlan
Charles Roselli
-
Warren Parker
Arthur Singeiser
-
Rhys Williams
Professor Hellman
- Maura McGiveney Mary Torin
- Kathleen Larkin Lt. Sally Harper
-
Than Wyenn
Torberg
- Mark Tapscott Guard
- Ed Long Corridor Guard
-
Eddie Barth
Cab Driver
-
Karen Black
Claudia Stone
- Ron Husmann Sentry
-
Karl Held
Lieutenant
-
Nancy Kovack
June Murray
- Martin Wolfson William Mace
-
John Lasell
Bob Ferrara
-
John Stephenson
John Nivin
-
Walter Woolf King
Head Alien
-
Michael Tolan
Dr. Ted Willard
-
Michael Constantine
Dr. Martin Willard
-
Charles Bateman
Burt Newcomb
-
Booth Colman
Coroner Braemer
-
Rose Hobart
Housekeeper - Irma
- Matt Pelto Alien Clerk
- Lynn Hobart Alien Nurse
-
Ahna Capri
Joan Surrat
-
Ken Lynch
Lieutenant Conners
-
Pamela Curran
Louise
-
Warren Vanders
Earl
-
Don Chastain
Blake
- Ed Prentiss Stanley Leeds
- Charles Stewart Robertson
-
Donald Harron
Jeff Brower
-
Charles Aidman
Prof. Julian Reed
-
Bartlett Robinson
Art Llewellan
- Lisabeth Field Mrs. Fielding
-
Pat O'Hara
Scientist
-
Dort Clark
Security Officer
-
Chris Robinson
Mike Calvin
-
Nelson Olmsted
Amos Foster
-
Larry Gates
Weller
-
Roy Poole
Cort
-
John Kellogg
Dom
-
Barry Atwater
Dorcas
-
Mark Allen
Second Mate
-
Phyllis Thaxter
Sarah Concannon
- Pat Cardi Bill Concannon
-
Larry Thor
Dr. Bill Jacobs
-
Jan Merlin
Post
- Craig Huebing Willard
-
Jack Bannon
Junior Officer
- Ed Deemer Air Policeman
-
Raymond St. Jacques
James A. Baxter
-
Janet MacLachlan
Celia Baxter
-
Roscoe Lee Browne
Arnold Andrew Warren
-
Austin Willis
William Gehrig
-
Louis Gossett Jr.
Ollie
-
D'Urville Martin
Casey
- Pepe Brown Michael Baxter
-
Boyd 'Red' Morgan
Station Attendant
-
Barbara Hershey
Beth Ferguson
-
Arch Johnson
Father Paul
- Marion Thompson The Nun
-
Robert Biheller
Ricky
-
Arthur Franz
Capt. Jim Trent
-
Diana Muldaur
Claire
-
Barry Morse
Keith
-
Stephen Brooks
Officer Joe Nash
-
Herb Armstrong
Doctor Stark
- Barry Cahill Dorsey
-
Will Geer
Hank Willis
-
Dana Elcar
Sheriff Tom Halloway
-
Michael McGreevey
Eddie McKay
- Eldon Quick Antique Store Proprietor
-
Barry Williams
Boy
-
Stewart Moss
Hadley Jenkins
-
Alex Gerry
Senator Robert Breeding
- Mary Gregory Secretary
- Lee Millar Reporter
-
Ernest Harada
George - Waiter
-
Marcia Wallace
Courtroom Spectator (uncredited)
- Dick Cherney Police Officer (uncredited)
-
Ivan Bonar
Older Alien
- Paul Bradley Summit Attendee (uncredited)
- Ralph Brooks Photographer (uncredited)
- Spencer Chan Summit Attendee (uncredited)
- James Gonzalez Summit Attendee (uncredited)
- Clark Ross Summit Attendee (uncredited)
-
Cosmo Sardo
Summit Attendee (uncredited)
-
Arthur Tovey
Summit Attendee (uncredited)
- George Ford Restaurant Patron (uncredited)
- Sig Frohlich Bartender (uncredited)
-
Mark Russell
Alien (uncredited)
- Jock Gaynor Conner