Tom Hamilton
NCIS: New Orleans (2014)
Dan
Enlisted (2014)
John Cavil
Battlestar Galactica (2004)
Brother Cavil
Senator Edward Sheffield
First Monday (2002)
Colonel Grat
Star Trek: Enterprise (2001)
Self - Host
Phenomenon: The Lost Archives (1998)
Frank DiMeo
The Tony Danza Show (1997)
Doctor Kieran
Stargate SG-1 (1997)
Self
MADtv (1995)
Edward Sheffield
JAG (1995)
Hal
The Drew Carey Show (1995)
Gus Shepard
Nowhere Man (1995)
Bob Jenkins
The Langoliers (1995)
Professor Julius Waugh
The Man from Snowy River (1994)
Robert St. Clair
Chicago Hope (1994)
John Delaney
Burke's Law (1994)
Preston Carpenter
Lois & Clark: The New Adventures of Superman (1993)
Robert Allardyce
The Commish (1991)
Duke Nukem (voice)
Captain Planet and the Planeteers (1990)
Admiral Albert 'Al' Calavicci
Quantum Leap (1989)
Martin Decker
The Twilight Zone (1985)
Elliot Easterbrook
Murder, She Wrote (1984)
Brother Hobarts
Hunter (1984)
Jack Gretsky
Miami Vice (1984)
Self - Contestant
Jeopardy! (1984)
Greg Denver
Hammer House of Mystery and Suspense (1984)
Officer Collins
The A-Team (1983)
Dr. Griss
Simon & Simon (1981)
James Francis
Hart to Hart (1979)
Cliff Waddell
Ellery Queen (1975)
Ethan Crawford
Three for the Road (1975)
Les Rendez-vous du dimanche (1975)
Jerry
Orson Welles' Great Mysteries (1973)
Ott
Police Story (1973)
Bennett
Detective Giacino
Callan
Paul Thomas / Paul Cullen
The Streets of San Francisco (1972)
Charlie Blake
Eric Wagner
Columbo (1971)
Lloyd Harrington
Tom Longman
Cannon (1971)
Charlie Evans
Night Gallery (1970)
Pete Lancaster
McCloud (1970)
Chris Townsend
Mannix (1967)
Bruno
The Danny Thomas Hour (1967)
Gunnar Malstrom
Mission: Impossible (1966)
The Man
Thirty-Minute Theatre (1965)
Michael Vincent Riley
The F.B.I. (1965)
Darryl Ryder
Martin Rosetti
Kraft Suspense Theatre (1963)
Jay Boy Calhoun
Burke's Law (1963)
Harley Brydell
The Greatest Show on Earth (1963)
Rob Lawson
Combat! (1962)
David H. Kelsey / William Newmaster
The Alfred Hitchcock Hour (1962)
Buzz Shelby
Bus Stop (1961)
Dr. Rudy Devereux
Dr. Kildare (1961)
Arnold Foster
The Defenders (1961)
Billy Joe Minden
Outlaws (1960)
Lieutenant Katell / Lieutenant Yamuri
The Twilight Zone (1959)
Johnny Perry
The DuPont Show with June Allyson (1959)
Matthew Rush
Bonanza (1959)
Dave - the Slasher
Johnny Staccato (1959)
Jimmy Drew
Wagon Train (1957)
Rodney Lawrence
Juan Ortega
Will Santee
Matinee Theater (1955)
Carl Mittelbach
Billy Weaver
Alfred Hitchcock Presents (1955)
Les Marshall
Climax! (1954)
Private First Class John Townsend
General Electric Theater (1953)
Clete Weber
Davis Tucker
Hallmark Hall of Fame (1951)
Schlitz Playhouse of Stars (1951)
Self - Winner
Golden Globe Awards (1944)