cast
-
John Paul
Dr Spencer Quist / Dr. Spencer Quist
-
Simon Oates
Dr. John Ridge
- Vivien Sherrard Barbara Mason
- Joby Blanshard Colin Bradley
-
Robert Powell
Tobias Wren
-
John Nolan
Geoff Hardcastle
-
Jean Trend
Dr. Fay Chantry
-
Michael Elwyn
Richard Duncan
- Wendy Hall Pat Hunnisett / Pat Hunisett
-
John Barron
The Minister / Minister
- John Lee Captain - Second Airline Crew / Jenson
- Talfryn Thomas Mr. Hetherington / Prisoner Warren
- Elizabeth Weaver Dr. Anne Tarrant
-
Robert James
Barker
-
Hamilton Dyce
Minister
-
Margaret John
Mrs. Joan Simpson
-
Geoffrey Palmer
Major Sims
-
John Savident
The Minister
- John Berryman Reporter
- Robert Sansom Dr. Somerville / Dr. Hugh Preston
-
Sheila Raynor
Mrs. Smith / Mrs. Knott
- Mary Loughran Air Hostess / Dr. Gray
- Caroline Rogers Julie / Stewardess - Second Airline Crew
-
Michael Hawkins
Jim Bennett / Michael Beavis
- Marcelle Samett Bystander / Nurse
- Edward Evans Dai / Coroner
- Gloria Connell Police Woman / Nurse
- Victor Platt Joe Bates / Police Inspector
- John Bown Commander Neil Stafford
-
Morris Perry
Prof. Alec Hetherington
-
Bruce Purchase
Norman Sylvester
-
Emrys Jones
Colonel Archibald Smithson
-
Leslie Schofield
Harry
-
Cec Linder
Sen. Connell
-
Katherine Kath
Lady Janette Holroyd
-
Jonathan Pryce
Police Constable
-
Desmond Llewelyn
Thompson
-
Michael Keating
Stephen Grigg
-
June Brown
Kit Pedler
-
Kevin Stoney
Prof. Hal Symonds
-
Jennifer Daniel
Dana Colley
-
William Lucas
Benjamin Fielding
-
Olaf Pooley
Dr. Ensor
-
Joseph Fürst
Dr. Charles Goldsworthy
-
Maurice Roëves
Peter Shipton
-
Erik Chitty
Old Man
-
George Baker
John Mitchell
-
Peter Copley
Admiral Sir Richard Tranton
-
Michael Ripper
Tom Reid
-
Ray Brooks
Geoff Harker
-
Shelagh Fraser
Joan Prentice
-
Freda Dowie
Hilda
-
Edward Underdown
Chairman of Tribunal
-
Patrick Godfrey
Grant
-
James Maxwell
Dr. Whittaker
- Noel Johnson Priestland
-
Judith Furse
Mary Lincoln
-
Trevor Bannister
Dr. Anthony Lewis
- Peter Welch Tom Hedley
- Jay Neill Laing
-
Nicholas Courtney
Phillip
-
Brian Wilde
Prof. Fairbairn
-
Paul Eddington
Reynolds
-
Richard Hurndall
Dr Robert Whitehead
-
Michael Aspel
BBC Man Houston
- William Fox Scott
-
Patricia Maynard
Miss Sephton
-
Glyn Owen
'Griff' Griffiths
-
Colin Jeavons
Botting
-
George A. Cooper
Thomas Prentice
-
Anthony Ainley
Senior House Officer
- Frederick Hall Dennis Pritchard
-
Glyn Houston
Gerald Marlowe
-
Frederick Jaeger
Richard Massingham
-
Elisabeth Sladen
Sarah Collins
-
Philip Bond
Inspector Drew
-
Peter Hawkins
Computer (voice)
-
Christopher Chittell
Dick Burns
-
Aubrey Richards
Bernard Colley
-
George Waring
Busby
-
Michael Culver
Minister's PPS
-
John Quarmby
PM's Secretary
-
Paul Seed
Michael Pratt
-
Bernard Horsfall
Steven Granger
- Edward Kelsey Captain Tommy Gort
-
George Pravda
Prof. Miklos Egri
- Nigel Stock Commander Charles Keeping
-
Rhoda Lewis
Mrs. Freeman
-
Llewellyn Rees
Rev. Charles Garrison
-
John Gregg
Roger Halls
-
Trevor Eve
Neil Tannahill
-
Amanda Ooms
Meg Tannahill
-
Philip Stone
Spencer Quist
-
Steve Toussaint
Luke
- Tony Sibbald Captain - First Airline Crew
-
Alex Scott
Dr. Patrick
- Donald Morley Air Commodore Parks
-
John Wood
Nigel Waring
-
Moultrie Kelsall
Alexander Drummond
-
Ronald Hines
Ian Drummond
-
Viviane Ventura
Paola Maria Totti
- Penelope Lee Dr. Mary Bryant
- Jennifer Wilson Miss Wills
- Monty Brown Co-Pilot - First Airline Crew
- Gracie Luck Stewardess - First Airline Crew
- Richardson Morgan Engineer - First Airline Crew
- Eric Corrie Co-Pilot - Second Airline Crew
- Pat Wallen Stewardess - Second Airline Crew
- Christopher Hodge Comisionaire
-
Andreas Malandrinos
Passenger
- Mike Lewin Passenger
- Pat Beckett Passenger
- Toba Laurence Passenger
- Cynthia Bizeray Passenger
- Peter Thompson Passenger
- Michael Earl Passenger
- Tony Haydon Passenger
- Craig Hunter Bill Edwards
-
Eileen Helsby
Joyce Chambers
- Ray Roberts Fred Chambers
-
Stephen Dudley
Small Boy
- Ian Elliott Ambulance Driver
-
Hildegard Neil
Dr. Stella Robson
- Philip Brack Jack Foster
- John Linares Young Man
- Michael McGovern Dick Larch
-
Veronica Strong
Carol Larch
-
Grant Taylor
Colonel Kramer
-
Kevin Scott
Gus Clarke
- Noel Sheldon Max Friedman
- John Kidd Johnson
- John Boxer Brown
-
James Burke
BBC Man London
-
John Young
Dr. Alan Benson
- John Law Pegg
- Pamela Sholto Miss James
- Penny Dixon Miss Cooper
- Bay White Mrs. Tyler
-
John Comer
Jack
- Pat Connell Dr. Green
- Dudley Jones Dr. O'Brien
- David Markham Wilfred Ellis
- William Wilde Branston
- Brian Badcoe Stephens
- Rosemary Turner Miss Jones
- Peter Whitaker Ministry Inspector
- Ron Gregory Guard
- Mark Sinclair Boy
- Jeremy Young Vincent Llewellyn
- David Davies The Minister
-
Mary Hignett
Mrs. Adams
-
Ray Mort
Bill Jones
- Eliza Ward Elizabeth Llewellyn
- Michael Newport Bryn
-
Tommy Godfrey
Sam Billings
-
Shirley Dixon
Dr. Judith Lennox
-
Robert Gillespie
Dr. Warren
- Graham Leaman Professor Eric Hayland
- Edwin Brown Len White
- MacDonald Hobley Permanent Secretary
- Margie Young Barmaid
- Anthony Sagar Sergeant Willie Harris
-
Arthur Brough
Sandy Larch
- Barrie Cookson Dr. Wilson
- Leslie Meadows Reggie Cornford
- David Lincoln Dave Cornford
- Joyce Windsor Mrs. Hunter
- Kim Butcher Wendy Hunter
- Bill Straiton Sergeant
- Simon Cain Soldier
-
David Buck
Isaac Prentice
-
Geoffrey Chater
Mullery
- Geraldine Sherman Alice
- Rachel Treadgold Miss Marshall
- Charles Rea Inspector
- Geoffrey Davion Islander
- Ian MacKenzie Islander
- Guy Graham Islander
-
Angus MacKay
Professor Lewin
-
Anthony Sharp
Dr. Ian Phelps
- Norman Scace Elliot
- Sheila Grant Gillian Blake
-
Barry Stokes
Stephen Franklin
-
Sally Thomsett
Judy Franklin
- Martin Howells Gerald Jenkins
-
David Janson
Arnold McPherson
- Robert Yetzes Painton
- David Jarrett Tom Avery
-
Bernard Hepton
Oscar Franklin
-
Patsy Byrne
Mary Franklin
- Patrick Milner Airport Policeman
- Julie May Shopper
- Paula Smith Ground Hostess
- Keith Grenville Dr. Eric Godfrey
-
Amanda Walker
Sister Trewin
-
Raymond Young
Mr. Tearson
-
Frederick Schiller
Mr. Faber
-
Harold Bennett
George Mason
- Frank Littlewood Mr. Kemp
- Jeannie James Nurse
- Paul Nemeer Doctor
-
Barry Foster
Dr. Carson
- Michael Ely Visitor
- Clive Rogers Visitor
- Joyce Freeman Visitor
- Penny Service Air Hostess
- Bill Bailey Reporter
-
Robert Urquhart
Jim Ainslie
-
Stephen Preston
Reporter
-
Stephanie Bidmead
Janine Griffiths
-
Anthony Newlands
Dr. George
- Walter Horsbrugh Dr. Seaton
- Desmond Cullum-Jones Patterson
- Joseph Greig Dr. Jackson
-
Patrick Troughton
Lyon McArthur / Alan McArthur
- Alethea Charlton Flora Seton
- Simon Lack Andrew Seton
- Jane Dore Receptionist
- Michael Ellison Naval Officer
- David Purcell Journalist
-
Roddy McMillan
Scobie
- John Quayle Cavendish
- Kevin Brennan Sir Billy Langly
- Joan Phillips Mrs. Hetherington
- Ray Armstrong Donovan
- Ursula Hirst Mrs. Frank
- Doreen Andrews Mrs. Scobie
- Laurence Bulaitis Laurence Hetherington
- Tom Collister Man in Flat
- Eric Kent Drunk
- Trevor Lawrence Drunk
- Steve Patterson Drunk
- Frederick Treves Dr. Henry Fane
- Robert Cawdron John McAlister
- Jean Marlow Marge Pritchard
- Garry Smith Harry Pritchard
- David Spurling Philips
- Bill Hayden Mr. Duffy
- Laurie Webb Dog Owner
- George Giles Policeman
-
Irene Prador
Mrs. Wilhelmina Grantz
-
John Kelland
Withers
- Michael Gover Kelsey
-
Robin Davies
Malcolm Priestland
- Stuart Knee David Wagstaffe
-
Peter Duncan
Colin Tredget
- Robert Barry Richard Whetlor
-
Derek Benfield
Arnold Payne
- Roy Purcell Dr. Barton
- Norman Florence Joe Donovan
- Barbara Bolton Mrs. Jones
- Terry Bale Tom Walsh
- Bill Weston Harry Nicholls
- John Trayhorn Jimmy Brookes
- Frances Pidgeon Secretary
- Henry Knowles Dr. Richard Poole
- Frank Singuineau Chemist
- John Drake Police Sergeant
- Eric Longworth Prison Officer Clarke
- Clifford Cox Radio Operator
- David Waterman Police Constable
- Julia Hand Bystander
-
Barry Jackson
Dr. McEwan
- Gillian Lewis Emily
- Damon Sanders Robbie
- Pamela Saire Miss Abrahams
- Dan Caulfield Policeman