Credits

• 2005 · Wildfire as Henry Ritter
• 2004 · Home on the Range as Abner (voice)
• 2000 · Submerged as Buck Stevens
• 2000 · High Noon as Mart Howe
• 2000 · The Virginian as Sam Balaam
• 1999 · Family Law as Judge Richard Lloyd
• 1998 · Escape from Wildcat Canyon as Grandpa Flint
• 1997 · Seduction in a Small Town as Sam Jenks
• 1997 · Stolen Women, Captured Hearts as Captain Farnsworth
• 1996 · E! True Hollywood Story as
• 1995 · Two Bits & Pepper as Sheriff Pratt
• 1994 · Touched by an Angel as Emmett Rivers
• 1994 · Lonesome Dove: The Series as Buffalo Bill Cody
• 1994 · Greyhounds as Chance Wayne
• 1992 · Mastergate as Vice President Dale Burden
• 1992 · Earth and the American Dream as Reader (voice)
• 1990 · Captain Planet and the Planeteers as
• 1990 · Great Adventurers & Their Quests: Indiana Jones and the Last Crusade as Narrator
• 1990 · Dennis Weaver's Earthship as
• 1989 · The Simpsons as Buck McCoy (voice)
• 1989 · The Return of Sam McCloud as Sam McCloud
• 1988 · Disaster at Silo 7 as Sheriff Ben Harlen
• 1988 · Walking After Midnight as Self
• 1987 · Buck James as Dr. Buck James
• 1987 · Bluffing It as Jack Duggan
• 1986 · A Winner Never Quits as Mr. Wyshner
• 1985 · Going for the Gold: The Bill Johnson Story as Wally Johnson
• 1983 · Emerald Point N.A.S. as Rear Adm. Thomas Mallory
• 1983 · Cocaine: One Man's Seduction as Eddie Gant
• 1982 · Don't Go to Sleep as Phillip
• 1981 · The Day the Loving Stopped as Aaron Danner
• 1980 · Magnum, P.I. as Lacy Fletcher
• 1980 · The Ordeal of Dr. Mudd as Dr. Samuel A. Mudd
• 1980 · Amber Waves as Elroy 'Bud' Burkhardt
• 1980 · Stone as Det. Sgt. Daniel Stone
• 1979 · Stone as Daniel Ellis Stone
• 1979 · A Cry For Justice as Sgt. Ted Bentley
• 1979 · The Ordeal of Patty Hearst as Charles Bates
• 1978 · Ishi: The Last of His Tribe as Prof. Benjamin Fuller
• 1978 · Pearl as Col. Jason Forrest
• 1978 · Centennial as R.J. Poteet
• 1978 · The Islander as Gable McQueen
• 1977 · Intimate Strangers as Donald Halston
• 1977 · The Hardy Boys / Nancy Drew Mysteries as
• 1975 · Cher as Self - Guest
• 1973 · Terror on the Beach as Neil Glynn
• 1973 · The American Film Institute Salute to ... as Self
• 1973 · Police Story as
• 1973 · Female Artillery as Deke Chambers
• 1972 · Rolling Man as Lonnie McAfee
• 1972 · The Great Man's Whiskers as Abraham Lincoln
• 1971 · Duel as David Mann
• 1971 · The Forgotten Man as Lt. Joe Hardy
• 1971 · The Sonny & Cher Comedy Hour as
• 1971 · What's the Matter with Helen? as Lincoln Palmer
• 1971 · The Pet Set as Self
• 1970 · A Man Called Sledge as Erwin Ward
• 1970 · The Don Knotts Show as Self
• 1970 · McCloud as Sam McCloud
• 1970 · Swing Out, Sweet Land as Self
• 1968 · The Dean Martin Christmas Show as Self
• 1968 · Mission Batangas as Chip Corbett
• 1968 · The Name of the Game as Walter Grayson
• 1967 · Gentle Giant as Tom Wedloe
• 1967 · Gentle Ben as Tom Wedloe
• 1967 · Judd for the Defense as
• 1966 · Gallegher Goes West as George Tucker, the Sundown Kid
• 1966 · Way... Way Out as Hoffman
• 1966 · That Girl as
• 1966 · Duel at Diablo as Willard Grange
• 1964 · Kentucky Jones as Kentucky Jones
• 1962 · Combat! as Noah
• 1962 · The Tonight Show Starring Johnny Carson as Self
• 1962 · The Merv Griffin Show as Self
• 1961 · The Mike Douglas Show as Self - Co-Host
• 1961 · The Mike Douglas Show as Self
• 1961 · Dr. Kildare as Wayne Wandemeir
• 1960 · The Gallant Hours as Andy Lowe
• 1959 · The Twilight Zone as Adam Grant
• 1958 · Touch of Evil as Mirador Motel Night Manager
• 1955 · Storm Fear as Hank
• 1955 · Alfred Hitchcock Presents as Charles Cavender
• 1955 · Gunsmoke as Chester
• 1955 · Chief Crazy Horse as Maj. Carlisle
• 1955 · Seven Angry Men as John Brown Jr.
• 1955 · Ten Wanted Men as Sheriff Clyde Gibbons
• 1954 · Climax! as Steve Maclyn
• 1954 · Dragnet as Capt. R.A. Lohrman
• 1954 · Dangerous Mission as Ranger clerk
• 1953 · War Arrow as Pino
• 1953 · The Golden Blade as
• 1953 · The Man from the Alamo as
• 1953 · Column South as Menguito
• 1953 · Law and Order as Frank Durling
• 1953 · The Mississippi Gambler as Julian Contant
• 1953 · The Redhead from Wyoming as Matt Jessup
• 1952 · The Lawless Breed as Jim Clements
• 1952 · Horizons West as Dandy Taylor
• 1951 · Dragnet as
• 1951 · Dragnet as Russ Camp
• 1951 · Schlitz Playhouse of Stars as Ben
• 1948 · The Ed Sullivan Show as Self