Credits

• 2024 · M*A*S*H: The Comedy That Changed Television as Self
• 2022 · M*A*S*H: When Television Changed Forever as Self
• 2018 · Bucky and the Squirrels as Mike Farrell
• 2016 · American Crime Story as Lee Miglin
• 2013 · Valentino's Ghost as Narrator (voice)
• 2007 · Out at the Wedding as Father of the Bride
• 2006 · Superman: Brainiac Attacks as Jonathan Kent (voice)
• 2005 · Ghost Whisperer as Bill Jett
• 2005 · Supernatural as Fred Jones
• 2005 · Locusts as Lyle Rierden
• 2004 · Desperate Housewives as Milton Lang
• 2004 · Justice League Unlimited as Jonathan Kent / Brainiac (voice)
• 2004 · The Clinic as Dr. Cyrus Gachet
• 2003 · NCIS as Miles Deakin
• 2003 · The Crooked E: The Unshredded Truth About Enron as Kenneth Lay
• 2002 · Without a Trace as Ross Anderson
• 2002 · M*A*S*H: 30th Anniversary Reunion as Himself/Host
• 2001 · Justice League as Jonathan Kent / Store Owner (voice)
• 2000 · The Tulsa Lynching of 1921: A Hidden Story as
• 1999 · Law & Order: Special Victims Unit as Jonah Malcolm
• 1999 · Providence as Jim Hansen
• 1997 · Sins of the Mind as William
• 1996 · Superman: The Last Son of Krypton as Jonathan Kent (voice)
• 1996 · Superman: The Animated Series as Jonathan Kent (voice)
• 1996 · E! True Hollywood Story as
• 1996 · Hanged on a Twisted Cross as Bonhoeffer
• 1995 · The Killers Within as Congressman Clayton
• 1994 · Hart to Hart: Old Friends Never Die as Frank Crane
• 1991 · Memories of M*A*S*H as Self / BJ Hunnicutt
• 1991 · Silent Motive as Detective Paul Trella
• 1991 · The Whereabouts of Jenny as Van Zandt
• 1991 · Lockdown as Prentiss
• 1990 · The Price of the Bride as Joe Roth
• 1989 · Incident at Dark River as Tim McFall
• 1989 · A Deadly Silence as Atty. Gianelli
• 1989 · Coach as Jeffrey
• 1988 · UFO Cover-Up?: Live! as
• 1986 · Vanishing Act as Harry Kenyon
• 1986 · Matlock as Judge David Bennett
• 1985 · Private Sessions as Dr. Joe Braden
• 1984 · Murder, She Wrote as Drew Borden
• 1983 · Choices of the Heart as Ambassador Robert E. White
• 1983 · Memorial Day as Matt Walker
• 1982 · Prime Suspect as Frank Staplin
• 1981 · El Salvador: Another Vietnam as Narrator
• 1980 · Damien: The Leper Priest as William Robertson
• 1979 · Letters from Frank as Richard Miller
• 1979 · Sex and the Single Parent as George McGee
• 1978 · Battered as Michael Hawks
• 1976 · McNaughton's Daughter as Colin Pierce
• 1974 · Dinah! as Self
• 1974 · The New Land as
• 1974 · Harry O as
• 1974 · Live Again, Die Again as James Carmichael
• 1974 · The Questor Tapes as Jerry Robinson
• 1974 · The Six Million Dollar Man as David Tate
• 1973 · She Cried Murder as Walter Stepanic
• 1973 · Nightmare Step as Steven
• 1972 · M*A*S*H as B. J. Hunnicutt
• 1972 · Ghost Story as Frank Simmons
• 1972 · Banacek as Jason Trotter
• 1972 · The Longest Night as Wills
• 1972 · The Sixth Sense as
• 1972 · Doomsday Machine as 1st Reporter
• 1971 · Cannon as
• 1970 · The Interns as Dr. Sam March
• 1969 · The Bold Ones: The New Doctors as Dr. Vic Wheelwright
• 1969 · The Bill Cosby Show as
• 1969 · The Bill Cosby Show as Al Socconis
• 1968 · Panic in the City as Dick Blaine
• 1968 · Dayton's Devils as Voucher Captain
• 1968 · Targets as Man in Phonebooth
• 1967 · The Graduate as Hotel Lobby Bellhop (uncredited)
• 1967 · Mannix as Clay Riegles
• 1967 · Garrison's Gorillas as
• 1967 · Countdown as Houston Engineer (uncredited)
• 1967 · Ironside as
• 1967 · Ironside as Bellhop (uncredited)
• 1966 · The Monkees as
• 1965 · I Dream of Jeannie as Arland
• 1964 · Daniel Boone as Johnson
• 1963 · Captain Newman, M.D. as Patient (uncredited)
• 1962 · McHale's Navy as The Gunner
• 1962 · Combat! as Doctor
• 1962 · Ensign O'Toole as Ferguson
• 1961 · The Mike Douglas Show as Self
• 1961 · The Mike Douglas Show as Self - Co-Host
• 1961 · The Dick Powell Show as Young Couple Boy
• 1954 · Lassie as