(1967) Code Name: Heraclitus

as Hoffman

(1965) Star Trek: The Cage

as The Keeper (voice)

(1992) Primary Motive

as Ken Blumenthal

(1973) Frasier, the Sensuous Lion

as Bill Windsor

(1973) A Time For Love

as Jamison May

(1987) Eat and Run

as Opera Announcer

(1974) The Sex Symbol

as Otto Litsky (voice)

(1966) The Doomsday Flight

as Bartender

(2007) Mystery Woman: In the Shadows

as Alexsandr

(1977) The Greatest

as Payton Jory

(1972) Six Hundred and Sixty-Six

as The Man (Voice)

(1972) Six Hundred and Sixty-Six

as Angela Company (voice)

(1988) Longarm

as Blalock

(1980) The Passion of Dracula

as Abraham Van Helsing

(1977) Stunts

as Earl O'Brien

(2002) Catch Me If You Can

as Abe Penner

(1964) The Young Lovers

as Prof. Schwartz

(1966) Beau Geste

as Kerjacki

(1971) Assault on the Wayne

as Dr. Dykers

(1975) It's a Bird, It's a Plane, It's Superman!

as Crime Boss

(1975) The Bionic Woman

as ---

(1985) Star Trek: The Menagerie

as Commodore Jose I. Mendez

(1966) The Time Tunnel

as Hara Singh

(1967) Garrison's Gorillas

as ---

(1999) Batman Beyond

as Fingers (voice)

(1962) The Gallant Men

as ---

(1990) Law & Order

as Judge Real

(2005) Avatar: The Last Airbender

as Colonel Mongke / Additional Voices (voice)

(1966) Star Trek

as The Keeper (voice) (uncredited)

(1958) 77 Sunset Strip

as ---

(1987) Star Trek: The Next Generation

as Senator Pardek

(1975) Starsky & Hutch

as ---

(1963) Kraft Suspense Theatre

as L. J. West

(1976) What's Happening!!

as ---

(1966) Batman

as False Face

(1968) Hawaii Five-O

as Bonamo

(1970) Lancelot Link, Secret Chimp

as ---

(1972) The Streets of San Francisco

as ---

(1968) Land of the Giants

as Taru

(1958) Naked City

as Hood

(1965) Lost in Space

as Thief

(1973) Kojak

as Solly DeChico

(1965) Hogan's Heroes

as ---

(1994) Babylon 5

as Centauri Prime Minister

(1957) Perry Mason

as Sandifer

(1964) The Rogues

as Commissar Szigeti

(1992) Melrose Place

as William Campbell

(1966) Mission: Impossible

as Ambassador Brazneck

(1997) The New Batman Adventures

as The Judge (voice)

(1971) Cannon

as ---

(1967) Ironside

as ---

(1965) Laredo

as ---

(1959) Rawhide

as Joaquin Vallino

(1963) The Fugitive

as David Jones

(1967) The High Chaparral

as Matar

(1962) The Virginian

as Doc Baldwin

(1972) Search

as ---

(1963) Bob Hope Presents the Chrysler Theatre

as ---

(1965) The Big Valley

as Crown

(1991) Dark Justice

as ---

(1967) Judd for the Defense

as ---

(1966) Tarzan

as ---

(1961) Ben Casey

as ---

(1963) Mr. Novak

as Medford

(1976) Spencer's Pilots

as ---

(1950) Robert Montgomery Presents

as ---

(1962) General Electric True

as ---

(1963) Breaking Point

as ---

(1961) The Defenders

as D.A. Gelwicks

(1961) The Defenders

as District Attorney

(1961) The Defenders

as ---

(1966) Jericho

as ---

(1963) The Fugitive

as Police Lt. Santelli

(1966) Blue Light

as ---

(1987) Visionaries: Knights of the Magical Light

as ---

(1959) Rawhide

as Matthew Baker

(1965) The Big Valley

as Frank Colder

(1965) The Big Valley

as Father Andre

(1963) The Outer Limits

as Dr. Mike

(1973) Kojak

as Mr. Ballantine

(1974) The Six Million Dollar Man

as Joseph Ronaugh

(1979) Broadway on Showtime

as Abraham Van Helsing

(1963) Kraft Suspense Theatre

as Nickolai Brovko

(1963) Mr. Novak

as Tom Norson

(1963) Mr. Novak

as Frank Czarnecki

(1968) Hawaii Five-O

as Reeves

(1967) The High Chaparral

as Julio Armendaris

(1948) Lamp Unto My Feet

as Hazgerd II

(1959) The Untouchables

as Duke Barker

(1974) The Rockford Files

as Mr. Shapiro

(1963) Bob Hope Presents the Chrysler Theatre

as Phil Campbell

(1959) The Untouchables

as Dancer

(1999) The West Wing

as Israeli Foreign Minister Ben Yosef

(1962) The Nurses

as Mr. Baker

(1966) The Time Tunnel

as Michaels / Niccolo Machiavelli

(1966) Mission: Impossible

as Deputy Premier Gregor Kamirov

(1968) It Takes a Thief

as Noah Bain

(2004) Star Trek: New Voyages

as Korogh

(1967) Mannix

as Inspector Frank Kyler

(1969) Love, American Style

as Allah Salam

(1987) Star Trek: The Next Generation

as Pardek