Acting

1980

as Horst Borsht

1975

(5 episodes) as Self

1972		Banacek (1 episode) as Bruno
1972		Search (1 episode)
1972		Sanford and Son (1 episode)

1969		Wake Me When the War Is Over as Butler
1969		Love, American Style (1 episode)

1967

(1 episode)

1966		Mission: Impossible (1 episode)
1966		Jericho (1 episode)
1966		The Girl from U.N.C.L.E. (1 episode)
1966		Batman (2 episodes) as Professor Charm
1966		Agent for H.A.R.M. as Basil Malko

1965		The F.B.I. (1 episode) as Paul Bohler (1 episode) as Janos Dobrenko
1965		Get Smart (1 episode)
1965		The Wild Wild West (2 episodes)
1965		Hogan's Heroes (1 episode)
1965		Morituri as Wilke

1964		36 Hours as Kraatz
1964		The Rogues (1 episode) as Fischer (1 episode) as Jobka
1964		The Flesh Eaters as Prof. Peter Bartell

1963		Kraft Suspense Theatre (1 episode) as Rudi
1963		Burke's Law (1 episode) as Basalon
1963		The Outer Limits (1 episode) as Dr. Leo Hausner

1962		Saints and Sinners (1 episode) as Heinz Heller
1962		Hitler as Joseph Goebbels

1961

as Landlord

1960

(1 episode) as Col. Andre Bertroux

1958

(1 episode)

1956

as Griffins

1951

(1 episode)

1950

(1 episode) as Capt. Krueger

1949

(1 episode) as Hagen

1948		Studio One (1 episode) as Popochenko
1948		Smuggler's Cove as Count Boris Petrov
1948		Assigned to Danger as Louie Volkes
1948		Half Past Midnight as Cortez

1946		She-Wolf of London as Dwight Severn
1946		The Wife of Monte Cristo as Edmund Dantes,Count of Monte Cristo
1946		House of Horrors as Marcel De Lange
1946		Just Before Dawn as Karl Ganss
1946		Crime of the Century as Paul

1945		The Spider as Mikail Barak
1945		Pursuit to Algiers as Mirko
1945		Strange Holiday as Examiner
1945		Gangs of the Waterfront as Anjo Ferrati
1945		The Frozen Ghost as Rudi
1945		Watchtower Over Tomorrow as Delegate of Nation X (uncredited)

1944		The Mummy's Curse as Ragheb
1944		Secrets of Scotland Yard as Josef
1944		The Hitler Gang as Joseph Goebbels
1944		The Great Alaskan Mystery as Dr. Hauss

1943		The North Star as Dr. Richter
1943		Bomber's Moon as Luftwaffe Maj. von Streicher
1943		Don't Be a Sucker!
1943		Chetniks! as Col. Brockner

1942		Manila Calling as Heller
1942		Berlin Correspondent as Captain von Rau
1942		Nazi Agent as Kurt Richten
1942		Fly-By-Night as George Taylor
1942		All Through the Night as Steindorff

1941		Devil Pays Off as Grebb, Henchman
1941		International Lady as Bruner
1941		Underground as Heller

1940		The Mad Doctor as Maurice Gretz
1940		Foreign Correspondent as Tramp
1940		Calling Philo Vance as Gamble

1939		Nick Carter, Master Detective as Otto - 3d hurt worker
1939		Espionage Agent as Karl 'Muller' Mullen
1939		Nurse Edith Cavell as Pierre
1939		Confessions of a Nazi Spy as Joseph Goebbels (uncredited)

1934

as Dance Director (uncredited)

1930		The Singing City as Bobby Bertling - Claires Verehrer
1930		Alraune as Wolfgang Petersen

1929