highest rated
acting
- National Geographic's Rain Forest → Self - Narrator
- Broadway's Lost Treasures II → Don Quixote (segment "Man Of La Mancha")
- Hugh Hefner: American Playboy → Narrator (voice)
- The Men Who Made the Movies: Samuel Fuller → Joey (archive footage)
- Heroes of Horror → Narrator
- Blue Moon → Jimmy Keating
- Searching for Lost Worlds (TV) → narrator
- Patch Adams → Dr. Titan
- The Gates of Jerusalem: A History of the Holy City → Host
- Ally McBeal (TV) → Seymore Little
- Henry Fonda: Hollywood's Quiet Hero → Self
- Time to Say Goodbye? → Dr. Gerald Klooster
- Vincent Price: The Versatile Villain → Narrator
- Audrey Hepburn: The Fairest Lady → Narrator
- Tigers of the Snow → Narrator (voice)
- The Sonoran Desert: A Violent Eden → Narrator (voice)
- Wolves at Our Door → Narrator
- Phenomenon → Dr. Wellin
- Mary & Tim → Ron Melville
- Peter Lorre: The Master of Menace → Self - Narrator (voice)
- The Rockford Files: Punishment and Crime → Frank Dougherty
- The Great Defender (TV)
- Secrets → Dr. Will Berter
- Lon Chaney: Son of a Thousand Faces → Narrator
- Darryl F. Zanuck: 20th Century Filmmaker → Narrator
- 30 Years of National Geographic Specials → Self - Narrator
- Christy (TV) → Dr. Ferrand
- Mysteries of the Bible (TV)
- A Passion for Justice: The Hazel Brannon Smith Story → Earl Clayburn
- Star Trek: Deep Space Nine (TV) → Seyetik
- Jurassic Park → Jurassic Park Tour Voice (voice)
- The Visual Bible: Matthew → Matthew
- Picket Fences (TV) → Hayden Langston
- Mastergate → Archer Bowman
- Giant Bears of Kodiak Island → Narrator
- Mysteries Underground → Self - Narrator
- Separate but Equal (TV) → Chief Justice Earl Warren
- Absolute Strangers → Dr. RJ Cannon
- Separate But Equal → Chief Justice Earl Warren
- National Geographic: Splendid Stones → Narrator
- Gunsmoke: The Last Apache → Chalk Brighton
- Aladdin → The Magician
- Bali: Masterpiece of the Gods
- The Final Days → J. Fred Buzhardt
- To The Limit → Narrator
- My First Love → Sam Morrissey
- Cary Grant: A Celebration of a Leading Man → Narrator
- Australia's Aborigines → Narrator
- National Geographic: White Wolf → Narrator (voice)
- Australia's Twilight Of The Dreamtime → Narrator
- Biography (TV) → Narrator (voice)
- A Year in the Life (TV) → Joe Gardner
- Grace Kelly: The American Princess → Narrator (voice)
- Lions of the African Night
- Treasures From The Past → Himself - Narrator
- Howard the Duck → The Cosmos (voice)
- If Tomorrow Comes (TV) → Gunther Hartog
- A Year in the Life (TV) → Joe Gardner
- The Adventures of Huckleberry Finn → Col. Grangerford
- Planet Earth (TV) → Narrator
- The Twilight Zone (TV) → Sir Lancelot du Lac (segment "The Last Defender of Camelot")
- A.D. (TV) → Claudius
- The Bad Seed → Richard Bravo
- Do You Remember Love → George Hollis
- The Canterville Ghost → Sir Simon De Canterville
- Ballad of the Irish Horse → Narrator (voice)
- George Washington (TV) → George Mason
- Natural World (TV) → Self - Narrator
- The Thorn Birds (TV) → Paddy Cleary
- Starfest: The Stars Salute Public Television 1983
- Hotel (TV) → Matt Carmichael
- Night of 100 Stars → Self
- Pray TV → Rev. Gus Keiffer
- Endless Love → Arthur
- Golden Gate → Thomas J. Kingsley
- Isabel's Choice → Lyman Jones
- Some Call Them ... Freaks → Host (Self)
- Angel on My Shoulder → Nick
- The New Media Bible: The Gospel According to St. Luke → Narrator/St. Luke
- The Andros Targets (TV) → Rev. Ellis
- Looking for Mr. Goodbar → Mr. Dunn
- The Macahans → Timothy Macahan
- Medical Story (TV) → Mark Kellerman
- Friendly Persuasion → Jess Birdwell
- The Little Prince → The Pilot
- Give Me Liberty → Robertson
- Jigsaw → DA Dan Bellington
- Columbo (TV) → Mark Halperin
- Great Performances (TV) → Self
- Great Performances (TV) → Introduction Narrator (voice) (uncredited)
- Cannon (TV)
- All the Way Home → Jay Follet
- Murder Once Removed → Frank Manning
- Incident in San Francisco → Robert Harmon
- The Swan Song → Theatre Actor
- Night Gallery (TV) → Ralph Burke
- a.k.a. Cassius Clay → Self
- The Ceremony of Innocence → King Ethelred
- Medical Center (TV) → Dr. Thomas Patton
- The New People (TV)
- Pendulum → Woodrow Wilson King
- Night Gallery → SS-Gruppenführer Helmut Arndt / Josef Strobe
- Hawaii Five-O (TV) → Sam Patton
- The Dick Cavett Show (TV) → Self - Guest
- The Name of the Game (TV) → Arlen McKittrick
- The Name of the Game (TV) → Dr. Judson Strode
- The Mod Squad (TV) → Vincent Warren
- The Carol Burnett Show (TV) → Self
- Judd, for the Defense (TV)
- Garrison's Gorillas (TV)
- The Danny Thomas Hour (TV)
- The F.B.I. (TV) → John Streyer
- The F.B.I. (TV) → Dr. Herbert Barth
- The F.B.I. (TV) → Frederic Oliver Scott
- National Geographic Specials (TV) → Narrator
- Kraft Suspense Theatre (TV) → Lou Franklin
- The Great Adventure (TV) → Col. Edwin L. Drake
- The Alfred Hitchcock Hour (TV) → Jim Derry
- The Mike Douglas Show (TV) → Self
- Dr. Kildare (TV) → Fred Carroll
- Ben Casey (TV)
- The Defenders (TV) → George Helber
- The Defenders (TV) → Harvey Slaughter
- The Defenders (TV) → Acting Governor White
- Cain's Hundred (TV) → Doug Crawford
- Bonanza (TV) → Sheriff Gideon Yates
- The Power of the Resurrection → Peter
- Spanish Affair → Merritt Blake
- Homeward Borne → Bob Lyttleton
- Tony Awards (TV) → Self - Winner
- Tony Awards (TV) → Self - Performer
- Tony Awards (TV) → Self - Presenter
- The Steve Allen Show (TV) → Self - Singer
- Gunsmoke (TV) → Lewis Stark
- Gunsmoke (TV) → Tom Lynott
- Gunsmoke (TV) → Bohannan
- Gunsmoke (TV) → Will Stambridge
- Alfred Hitchcock Presents (TV) → Harry Adams
- Blackboard Jungle → Joshua Y. Edwards
- The Phenix City Story → John Patterson
- Patterns → Fred Staples
- Climax! (TV) → Charley Kincaid
- Revlon Mirror Theatre (TV)
- Kraft Television Theatre (TV)
- General Electric Theater (TV)
- Pickup on South Street → Joey
- Medallion Theatre (TV)
- Omnibus (TV)
- Omnibus (TV) → Actor
- Omnibus (TV) → The Prosecuting Attorney
- The Ford Television Theatre (TV) → Walter Crandall
- The Sniper → James G. Kent
- Eight Iron Men → Pvt. Coke
- Tales of Tomorrow (TV)
- Hallmark Hall of Fame (TV) → Jay Follet
- The Mob → Tom Clancy
- Robert Montgomery Presents (TV)
- Lux Video Theatre (TV) → Dan
- Danger (TV)
- Suspense (TV)
- Suspense (TV) → Webb Wilson
- Studio One (TV) → Joe
- Studio One (TV) → Edward Dean
- Studio One (TV) → Fred Baxter
- Studio One (TV)
- Studio One (TV) → Jim Colton
- Studio One (TV) → Calvin
- Studio One (TV) → Julian Hurst
- Studio One (TV) → Ralph Johnson
- Studio One (TV) → Merrick
- Studio One (TV) → Richard Baker
- The Ed Sullivan Show (TV) → Self
- Kraft Television Theatre (TV)
- Kraft Television Theatre (TV) → Fred Staples
- Kraft Television Theatre (TV) → Frederick Banting
- Kraft Television Theatre (TV) → Artaban
- Kraft Television Theatre (TV) → Hacker
- Golden Globe Awards (TV) → Self - Nominee