Dr. Sol Goldman
The Evidence (2006)
Bob Ryan
Entourage (2004)
Frank Malone
Without a Trace (2002)
Abraham
In the Beginning (2000)
E! True Hollywood Story (1996)
Jacob
Joseph (1995)
Mac Gargan / Scorpion (voice)
Spider-Man (1994)
Scorpion (voice)
Self
Inside the Actors Studio (1994)
The Great Raymondo (voice)
Els Simpson (1989)
Max
The Neon Empire (1989)
Blacke's Magic (1986)
Wallace Garrison
The New Alfred Hitchcock Presents (1985)
William Cooper-Janes
La dimensió desconeguda (1985)
Al Drake
S’ha escrit un crim (1984)
Hayden Stone
Buffalo Bill (1983)
Matt Houston (1982)
Hotel (1982)
John Koenig
Space: 1999 (1975)
Dexter Paris / Norman Paris
Colombo (1971)
Self - Guest / Various Characters
The Carol Burnett Show (1967)
Rowan & Martin's Laugh-In (1967)
Rollin Hand
Mission: Impossible (1966)
Rollin Hand / General Rio Dominguez
Maxwell Smart (uncredited)
El Superagent 86 (1965)
The Wild Wild West (1965)
Danny Preston
I Spy (1965)
Mariano Montoya
La gran vall (1965)
Edwin Booth
Branded (1965)
Count Ladislaus Zark
The Man from U.N.C.L.E. (1964)
Victor Rand
Mr. Novak (1963)
Robert Coolidge
The Greatest Show on Earth (1963)
Andro
The Outer Limits (1963)
Richard Bellero
Ned Murray
The Alfred Hitchcock Hour (1962)
The Mike Douglas Show (1961)
Dr. Daniel Orren
The Defenders (1961)
Arnie
The Islanders (1960)
Outlaws (1960)
The Tall Man (1960)
Tate (1960)
The Detectives (1959)
Jerry Fanning
The Untouchables (1959)
Larry Coombs
Sacheveral Sackett
Adventures in Paradise (1959)
Miller
Dan Hotaling
La dimensió desconeguda (1959)
Major Ivan Kuchenko
Wes Tymon
Johnny Ringo (1959)
Emeliano
Bonanza (1959)
Johnny Staccato (1959)
The Lawless Years (1959)
Lawman (1958)
The Rifleman (1958)
Khorba
Wanted: Dead or Alive (1958)
Mike Manning
Maverick (1957)
Alfred Hitchcock Presents (1955)
Thorp
Gunsmoke (1955)
Britton
The Oscars (1953)
Apache Indian
General Electric Theater (1953)
Schlitz Playhouse of Stars (1951)
Studio One (1948)
Self - Winner
Golden Globe Awards (1944)