2021
The Timekeepers of Eternity as Bob Jenkins (archive footage)2017
In Hollywood's Backyard: Topanga in the 1970s as Self2016
Max Rose as Ben Tracey2016
Along for the Ride as Self2015
Entertainment as Frank2014
NCIS: New Orleans as Tom Hamilton2014
Enlisted as Dan2014
Persecuted as Dave Wilson2014
Deep in the Darkness as Phil Deighton2014
Rusty Steel as Hunts2013
C.O.G. as Hobbs2012
President Wolfman as President John Wolfman (archive footage)2009
Battlestar Galactica: The Plan as Brother Cavil2009
The Nanny Express as Jerry Hewitt2009
The Dunwich Horror as Dr. Henry Armitage2008
The Cool School as Self2008
Al's Beef as The Sherrif2006
The Deal: El trato as Agent Tremayne2005
American Black Beauty as Tim Lane2004
Battlestar Galactica as John Cavil2004
Battlestar Galactica as Brother Cavil2004
The Manchurian Candidate as Mark Whiting2002
First Monday as Senator Edward Sheffield2002
Buffalo Soldiers as General Lancaster2002
Inferno as Mayor Bill Klinger2001
Star Trek: Enterprise as Colonel Grat2001
CQ as Dr. Ballard2001
In Pursuit as Charles Welz2001
The Quickie as Michael2000
Batman Beyond: Return of the Joker as Tim Drake (voice)2000
They Nest as Sheriff Hobbs1999
Rites of Passage as Del Farraday1999
Restraining Order as Charlie Mason1999
What Katy Did as Tramp1999
The Venice Project as Senator Campbell1999
Water Damage as Frank Skoufaris1998
Phenomenon: The Lost Archives as Self - Host1998
Sinbad: The Battle of the Dark Knights as Bophisto1997
Stargate SG-1 as Doctor Kieran1997
Air Force One as Walter Dean1997
The Tony Danza Show as Frank DiMeo1997
The Rainmaker as Judge Harvey Hale1997
McHale's Navy as Capt. Wallace B. Binghampton1997
Pretty as a Picture: The Art of David Lynch as Self1997
The Shadow Men as Stan Mills1997
Living in Peril as William1997
Midnight Blue as Katz-Feeney1996
Mr. Wrong as Jack Tramonte1996
Naked Souls as Duncan1996
Last Resort as Grey Wolf1996
Unabomber: The True Story as Ben Jeffries1995
Nowhere Man as Gus Shepard1995
The Drew Carey Show as Hal1995
JAG as Edward Sheffield1995
MADtv as Self1995
The Langoliers as Bob Jenkins1995
Can't Hurry Love as Vic Carlucci1995
Deadline for Murder: From the Files of Edna Buchanan as Aaron Bliss1995
Twilight Man as Hollis Deitz1994
Chicago Hope as Robert St. Clair1994
The Man from Snowy River as Professor Julius Waugh1994
Burke's Law as John Delaney1994
Chasers as Salesman Stig1994
In the Line of Duty: The Price of Vengeance as Jack Lowe1994
Vanishing Son II as Mickey Jo1994
The Innocent as Capt. Jason Flaboe1994
Justice in a Small Town as Commissioner Sam Caldwell1994
Madonna: Innocence Lost as Tony Ciccone1993
Lois & Clark: The New Adventures of Superman as Preston Carpenter1993
Bonanza: The Return as Augustus Brandenburg1992
The Player as Andy Civella1992
Fatal Memories as Det. Robert Morse1992
Shame as Tim Curtis1991
The Commish as Robert Allardyce1991
Crazy About the Movies: Dennis Hopper as Self1990
Captain Planet and the Planeteers as Duke Nukem (voice)1990
Catchfire as John Luponi1990
Sandino as Capitain Hatfield1989
Quantum Leap as Al Calavicci1989
Limit Up as Peter Oak1989
Buying Time as Detective Novak1988
Married to the Mob as Tony Russo1988
Tucker: The Man and His Dream as Howard Hughes1988
The Blue Iguana as Detective Carl Strick1988
Smokescreen as Michael Dattalico1988
Jorge, Um Brasileiro as Mário1987
Beverly Hills Cop II as Chip Cain1987
Gardens of Stone as Capt. Homer Thomas1987
The Gambler, Part III: The Legend Continues as James McLaughlin1987
The Time Guardian as Boss1987
Banzai Runner as Billy Baxter1986
Blue Velvet as Ben1986
To Kill a Stranger as John Carver1986
Papa Was a Preacher as John White1985
The Twilight Zone as Martin Decker1985
To Live and Die in L.A. as Bob Grimes1985
The Legend of Billie Jean as Muldaur1984
Jeopardy! as Self - Contestant1984
Murder, She Wrote as Elliot Easterbrook1984
Miami Vice as Jack Gretsky1984
Hunter as Brother Hobarts1984
Dune as Doctor Wellington Yueh1984
Paris, Texas as Walt1984
Hammer House of Mystery and Suspense as Greg Denver1984
The Sweet Scent of Death as Greg Denver1983
The A-Team as Officer Collins1982
Wrong Is Right as Hacker1982
Human Highway as Otto Quartz1982
Alsino and the Condor as Frank1981
Simon & Simon as Dr. Griss1981
Born to Be Sold as Marty Helick1979
Hart to Hart as James Francis1979
She Came To The Valley as Pat Westall1978
Daniel in the Lions' Den as Hissar1977
A Killing Affair as Kenneth Switzer1976
Tracks as Mark1976
Won Ton Ton: The Dog Who Saved Hollywood as Paul Levell1976
One Away as Pete Bass1975
Les Rendez-vous du dimanche as Self1975
Ellery Queen as Cliff Waddell1975
Three for the Road as Ethan Crawford1975
Cop on the Beat as Det. Callan1975
Eadweard Muybridge, Zoopraxographer as Narrator (voice)1975
Win, Place or Steal as Billy1974
The Pacific Connection as Miguel1973
Police Story as Ott1973
Police Story as Detective Giacino1973
Police Story as Callan1973
Police Story as Bennett1973
Orson Welles' Great Mysteries as Jerry1973
The Werewolf of Washington as Jack Whittier1972
The Streets of San Francisco as Paul Thomas / Paul Cullen1972
The Streets of San Francisco as Charlie Blake1972
The Loners as Stein1972
The Adventures of Nick Carter as Freddy Duncan1971
Columbo as Eric Wagner1971
Columbo as Lloyd Harrington1971
Cannon as Tom Longman1971
The Last Movie as Billy the Kid1971
Paper Man as Avery Jensen1971
The Failing of Raymond as Raymond1970
Night Gallery as Charlie Evans1970
McCloud as Pete Lancaster1970
The Dunwich Horror as Wilbur Whateley1968
Psych-Out as Dave1968
The Ping-Pong Match as Ping Pong Player1967
Mannix as Chris Townsend1967
The Danny Thomas Hour as Bruno1966
Mission: Impossible as Gunnar Malstrom1965
Thirty-Minute Theatre as The Man1965
The F.B.I. as Michael Vincent Riley1965
The F.B.I. as Darryl Ryder1965
Rapture as Joseph1963
Burke's Law as Jay Boy Calhoun1963
Kraft Suspense Theatre as Martin Rosetti1963
The Greatest Show on Earth as Harley Brydell1962
Combat! as Rob Lawson1962
The Alfred Hitchcock Hour as David H. Kelsey / William Newmaster1962
Long Day's Journey Into Night as Edmund Tyrone1961
Dr. Kildare as Dr. Rudy Devereux1961
The Defenders as Arnold Foster1961
Bus Stop as Buzz Shelby1960
Outlaws as Billy Joe Minden1960
Sons and Lovers as Paul Morel1959
The Twilight Zone as Lieutenant Katell / Lieutenant Yamuri1959
Bonanza as Matthew Rush1959
The DuPont Show with June Allyson as Johnny Perry1959
Johnny Staccato as Dave - the Slasher1959
Compulsion as Judd Steiner1957
Wagon Train as Jimmy Drew1957
Wagon Train as Juan Ortega1957
Wagon Train as Rodney Lawrence1957
Wagon Train as Will Santee1957
The Careless Years as Jerry Vernon1956
Gun for a Coward as Hade (Harry) Keough1955
Matinee Theater as Not available1955
Matinee Theater as Carl Mittelbach1955
Alfred Hitchcock Presents as Billy Weaver1954
Climax! as Les Marshall1953
General Electric Theater as Private First Class John Townsend1953
General Electric Theater as Clete Weber1951
Hallmark Hall of Fame as Davis Tucker1951
Schlitz Playhouse of Stars as Not available1951
Cattle Drive as Chester Graham, Jr.1950
Kim as Kim1950
Stars in My Crown as John Kenyon1950
The Happy Years as John Humperdink 'Dink' Stover1949
The Secret Garden as Colin Craven1949
Down to the Sea in Ships as Jed Joy1948
The Boy with Green Hair as Peter1948
Deep Waters as Donny Mitchell1947
Gentleman's Agreement as Tommy Green1947
Song of the Thin Man as Nick Charles Jr.1947
The Mighty McGurk as Nipper1947
The Romance of Rosy Ridge as Andrew MacBean1947
A Really Important Person as Billy Reilly1947
The Arnelo Affair as Ricky Parkson1946
The Green Years as Robert Shannon as a child1946
Home Sweet Homicide as Archie Carstairs1945
Anchors Aweigh as Donald Martin1945
The Valley of Decision as Paulie1945
Bud Abbott and Lou Costello in Hollywood as Dean (uncredited)1944
Golden Globe Awards as Self - Winner1944
Golden Globe Awards as Self - NomineeNaN
Paperman as Not available2024
Neil Young - Boarding House 1978 Director1999
Rites of Passage Associate Producer1982
Human Highway Director1982
Human Highway Screenplay1964
Pas de Trois Director