(1974) Young Frankenstein

as Sadistic Jailor

(1965) Ship of Fools

as Lutz

(1963) Decision at Midnight

as ---

(1961) Operation Eichmann

as Kuwait Chief of Police

(1964) 36 Hours

as Lt. Col. Ostermann

(1959) The Oregon Trail

as Ralph Clayman (uncredited)

(1967) The Scorpio Letters

as Philippe Soriel (Scorpio)

(1971) Cactus in the Snow

as Mr. Albert

(1968) Panic in the City

as Dr. Paul Cerbo

(1960) Let's Make Love

as Chauffeur (uncredited)

(1961) Judgment at Nuremberg

as Waiter at Court Lounge (uncredited)

(1964) The Incredible Mr. Limpet

as Nazi Admiral (as Oscar Beregi)

(1972) Everything You Always Wanted to Know About Sex *But Were Afraid to Ask

as Brain Control

(1970) The Christine Jorgensen Story

as Dr. Victor Dahlman

(1965) Morituri

as Admiral (as Oscar Beregi)

(1961) The Fiercest Heart

as Klaas

(1963) Police Nurse

as Dr. Leon Claudel (as Oscar Beregi)

(1971) The Organization

as Andre (uncredited)

(1964) Youngblood Hawke

as Builder (uncredited)

(1961) Mister Ed

as ---

(1966) The Time Tunnel

as Commandant Rubidoux

(1967) Garrison's Gorillas

as ---

(1958) 77 Sunset Strip

as ---

(1969) My World and Welcome to It

as ---

(1965) Green Acres

as ---

(1966) The Girl from U.N.C.L.E.

as Hugo Von Gerb

(1963) Kraft Suspense Theatre

as Schneider

(1965) The F.B.I.

as Dr. Dan Wyck

(1966) Batman

as Dr. Floyd

(1959) The Twilight Zone

as Farwell

(1967) Mannix

as ---

(1973) Kojak

as Fuchs

(1965) Hogan's Heroes

as ---

(1966) Mission: Impossible

as The Commandant

(1971) Cannon

as ---

(1965) Get Smart

as ---

(1959) The Twilight Zone

as Gunther Lutze

(1967) Ironside

as Stefan

(1958) Sea Hunt

as ---

(1955) Alfred Hitchcock Presents

as Man Arguing at Telescope (uncredited)

(1966) The Monkees

as Count Myron

(1961) Bus Stop

as ---

(1971) McMillan & Wife

as ---

(1965) The Wild Wild West

as ---

(1957) Have Gun, Will Travel

as ---

(1964) The Rogues

as Herr Brand

(1962) The Virginian

as Robaire

(1971) The Chicago Teddy Bears

as ---

(1960) Thriller

as Rev. Burkhardt

(1970) McCloud

as ---

(1959) One Step Beyond

as Dutchman (uncredited)

(1963) Bob Hope Presents the Chrysler Theatre

as ---

(1959) Adventures in Paradise

as Lavin

(1966) Tarzan

as ---

(1958) Bat Masterson

as Hermann the Great

(1961) The New Breed

as Howard Pressman

(1959) The Detectives

as ---

(1962) Don't Call Me Charlie

as ---

(1962) General Electric True

as ---

(1959) The DuPont Show with June Allyson

as Sennig

(1960) The Roaring 20's

as ---

(1961) Miami Undercover

as ---

(1959) The Third Man

as ---

(1966) Blue Light

as ---

(1965) Hogan's Heroes

as Gen. Stauffen

(1965) The F.B.I.

as Colonel

(1965) The F.B.I.

as Major Tokoli

(1965) The F.B.I.

as Martin Abrilev

(1961) The New Breed

as Karl Muelich

(1962) The Lucy Show

as Wolfgang Schmidt

(1960) Checkmate

as The Conductor

(1971) Columbo

as Proprietor

(1959) The Untouchables

as Joe Kulak

(1958) 77 Sunset Strip

as Valentin Yozinsky

(1965) The Wild Wild West

as Dr. Jean Paul Ormont