Credits

• 2004 · Broadway's Lost Treasures II as Don Quixote (segment "Man Of La Mancha")
• 2003 · Hugh Hefner: American Playboy as Narrator (voice)
• 2002 · The Men Who Made the Movies: Samuel Fuller as Joey (archive footage)
• 2001 · Heroes of Horror as Narrator
• 1999 · Searching for Lost Worlds as narrator
• 1999 · Blue Moon as Jimmy Keating
• 1998 · Patch Adams as Dr. Titan
• 1998 · The Gates of Jerusalem: A History of the Holy City as Host
• 1997 · Wolves at Our Door as Narrator
• 1997 · Vincent Price: The Versatile Villain as Narrator
• 1997 · The Sonoran Desert: A Violent Eden as Narrator (voice)
• 1997 · Ally McBeal as Seymore Little
• 1997 · Time to Say Goodbye? as Dr. Gerald Klooster
• 1997 · Tigers of the Snow as Narrator (voice)
• 1997 · Audrey Hepburn: The Fairest Lady as Narrator
• 1997 · Henry Fonda: Hollywood's Quiet Hero as Self
• 1996 · Mary & Tim as Ron Melville
• 1996 · Peter Lorre: The Master of Menace as Self - Narrator (voice)
• 1996 · The Rockford Files: Punishment and Crime as Frank Dougherty
• 1996 · Phenomenon as Dr. Wellin
• 1995 · Lon Chaney: Son of a Thousand Faces as Narrator
• 1995 · Darryl F. Zanuck: 20th Century Filmmaker as Narrator
• 1995 · Secrets as Dr. Will Berter
• 1995 · The Great Defender as
• 1995 · 30 Years of National Geographic Specials as Self - Narrator
• 1994 · A Passion for Justice: The Hazel Brannon Smith Story as Earl Clayburn
• 1994 · Christy as Dr. Ferrand
• 1994 · Mysteries of the Bible as
• 1993 · The Visual Bible: Matthew as Matthew
• 1993 · Jurassic Park as Jurassic Park Tour Voice (voice)
• 1993 · Star Trek: Deep Space Nine as Seyetik
• 1992 · Mysteries Underground as Self - Narrator
• 1992 · Mastergate as Archer Bowman
• 1992 · Giant Bears of Kodiak Island as Narrator
• 1991 · Absolute Strangers as Dr. RJ Cannon
• 1991 · Separate But Equal as Chief Justice Earl Warren
• 1991 · Separate but Equal as Chief Justice Earl Warren
• 1991 · National Geographic: Splendid Stones as Narrator
• 1990 · Gunsmoke: The Last Apache as Chalk Brighton
• 1990 · Aladdin as The Magician
• 1989 · The Final Days as J. Fred Buzhardt
• 1989 · To The Limit as Narrator
• 1988 · My First Love as Sam Morrissey
• 1988 · Cary Grant: A Celebration of a Leading Man as Narrator
• 1988 · Australia's Twilight Of The Dreamtime as Narrator
• 1988 · Australia's Aborigines as Narrator
• 1988 · National Geographic: White Wolf as Narrator (voice)
• 1987 · A Year in the Life as Joe Gardner
• 1987 · Grace Kelly: The American Princess as Narrator (voice)
• 1987 · Lions of the African Night as
• 1987 · Treasures From The Past as Himself - Narrator
• 1986 · A Year in the Life as Joe Gardner
• 1986 · Howard the Duck as The Cosmos (voice)
• 1986 · If Tomorrow Comes as Gunther Hartog
• 1986 · The Adventures of Huckleberry Finn as Col. Grangerford
• 1986 · Planet Earth as Narrator
• 1985 · The Twilight Zone as Sir Lancelot du Lac (segment "The Last Defender of Camelot")
• 1985 · Do You Remember Love as George Hollis
• 1985 · A.D. as Claudius
• 1985 · The Bad Seed as Richard Bravo
• 1985 · Ballad of the Irish Horse as Narrator (voice)
• 1985 · The Canterville Ghost as Sir Simon De Canterville
• 1984 · George Washington as George Mason
• 1983 · Natural World as Self - Narrator
• 1983 · The Thorn Birds as Paddy Cleary
• 1982 · Hotel as Matt Carmichael
• 1982 · Night of 100 Stars as Self
• 1982 · Pray TV as Rev. Gus Keiffer
• 1981 · Isabel's Choice as Lyman Jones
• 1981 · Golden Gate as Thomas J. Kingsley
• 1981 · Endless Love as Arthur
• 1981 · Some Call Them ... Freaks as Host (Self)
• 1980 · Angel on My Shoulder as Nick
• 1979 · The New Media Bible: The Gospel According to St. Luke as Narrator/St. Luke
• 1977 · Looking for Mr. Goodbar as Mr. Dunn
• 1977 · The Andros Targets as Rev. Ellis
• 1976 · The Macahans as Timothy Macahan
• 1975 · Medical Story as
• 1975 · Friendly Persuasion as Jess Birdwell
• 1974 · The Little Prince as The Pilot
• 1972 · Jigsaw as DA Dan Bellington
• 1971 · All the Way Home as Jay Follet
• 1971 · Murder Once Removed as Frank Manning
• 1971 · Columbo as Mark Halperin
• 1971 · Cannon as
• 1971 · Incident in San Francisco as Robert Harmon
• 1971 · Great Performances as Self
• 1971 · Great Performances as Introduction Narrator (voice) (uncredited)
• 1970 · Night Gallery as Ralph Burke
• 1970 · a.k.a. Cassius Clay as Self
• 1970 · The Ceremony of Innocence as King Ethelred
• 1969 · Night Gallery as SS-Gruppenführer Helmut Arndt / Josef Strobe
• 1969 · Medical Center as Dr. Thomas Patton
• 1969 · The New People as
• 1969 · Pendulum as Woodrow Wilson King
• 1968 · The Mod Squad as Vincent Warren
• 1968 · Hawaii Five-O as Sam Patton
• 1968 · The Name of the Game as Arlen McKittrick
• 1968 · The Name of the Game as Dr. Judson Strode
• 1968 · The Dick Cavett Show as Self - Guest
• 1967 · The Carol Burnett Show as Self
• 1967 · The Danny Thomas Hour as
• 1967 · Judd for the Defense as
• 1967 · Garrison's Gorillas as
• 1965 · The F.B.I. as John Streyer
• 1965 · The F.B.I. as Dr. Herbert Barth
• 1965 · The F.B.I. as Frederic Oliver Scott
• 1965 · National Geographic Specials as Narrator
• 1963 · Kraft Suspense Theatre as Lou Franklin
• 1963 · The Great Adventure as Col. Edwin L. Drake
• 1962 · The Alfred Hitchcock Hour as Jim Derry
• 1961 · The Mike Douglas Show as Self
• 1961 · Ben Casey as
• 1961 · Dr. Kildare as Fred Carroll
• 1961 · Cain's Hundred as Doug Crawford
• 1961 · The Defenders as George Helber
• 1961 · The Defenders as Harvey Slaughter
• 1961 · The Defenders as Acting Governor White
• 1959 · Bonanza as Sheriff Gideon Yates
• 1958 · The Power of the Resurrection as Peter
• 1957 · Spanish Affair as Merritt Blake
• 1956 · The Steve Allen Show as Self - Singer
• 1956 · Tony Awards as Self - Performer
• 1956 · Tony Awards as Self - Presenter
• 1956 · Tony Awards as Self - Winner
• 1955 · Alfred Hitchcock Presents as Harry Adams
• 1955 · Gunsmoke as Lewis Stark
• 1955 · Gunsmoke as Tom Lynott
• 1955 · Gunsmoke as Bohannan
• 1955 · Gunsmoke as Will Stambridge
• 1955 · The Phenix City Story as John Patterson
• 1955 · Blackboard Jungle as Joshua Y. Edwards
• 1955 · Patterns as Fred Staples
• 1954 · Climax! as Charley Kincaid
• 1953 · Kraft Television Theatre as
• 1953 · Medallion Theatre as
• 1953 · Revlon Mirror Theatre as
• 1953 · Pickup on South Street as Joey
• 1953 · General Electric Theater as
• 1952 · Eight Iron Men as Pvt. Coke
• 1952 · Omnibus as
• 1952 · Omnibus as Actor
• 1952 · Omnibus as The Prosecuting Attorney
• 1952 · The Ford Television Theatre as Walter Crandall
• 1952 · The Sniper as James G. Kent
• 1951 · Hallmark Hall of Fame as Jay Follet
• 1951 · The Mob as Tom Clancy
• 1951 · Tales of Tomorrow as
• 1950 · Lux Video Theatre as Dan
• 1950 · Danger as
• 1950 · The Web as
• 1950 · Robert Montgomery Presents as
• 1949 · Suspense as
• 1949 · Suspense as Webb Wilson
• 1948 · Studio One as Joe
• 1948 · Studio One as Edward Dean
• 1948 · Studio One as Fred Baxter
• 1948 · Studio One as
• 1948 · Studio One as Jim Colton
• 1948 · Studio One as Calvin
• 1948 · Studio One as Julian Hurst
• 1948 · Studio One as Ralph Johnson
• 1948 · Studio One as Merrick
• 1948 · Studio One as Richard Baker
• 1948 · The Ed Sullivan Show as Self
• 1947 · Kraft Television Theatre as
• 1947 · Kraft Television Theatre as Fred Staples
• 1947 · Kraft Television Theatre as Frederick Banting
• 1947 · Kraft Television Theatre as Artaban
• 1947 · Kraft Television Theatre as Hacker
• 1944 · Golden Globe Awards as Self - Winner
• 2025 · National Geographic's Rain Forest as Self - Narrator