Frederick Valk was a German-born Jewish stage and screen actor of Czech Jewish descent who fled to the United Kingdom in the late 1930s to escape Nazi persecution, and subsequently became a naturalised British citizen.
Outcast of the Islands
Hudig
The Flanagan Boy
Giuseppe Vecchi
The Patient Vanishes
Dr. Moger
Dead of Night
Dr. Van Straaten (Segment "Linking Story" & "The Ventriloquist's Dummy")
Saraband for Dead Lovers
The Elector Ernest Augustus
Dangerous Moonlight
Polish Bomber Commander
Wicked as They Come
Mr. Reisner
Secret Venture
Otto Weber
Magic Fire
Minister von Moll
Dear Mr. Prohack
Dr. Viega
Frenzy
Dr. Ivan Krasner
A Matter of Life and Death
RAF Chaplain (uncredited)
Top Secret
Rakov
Night Train to Munich
Gestapo Officer
Gasbags
Sturmfuehrer
Hotel Reserve
Emil Schimler, alias Paul Heimberger
Traitor Spy
German Ambassador
Never Let Me Go
Kuragin
Thunder Rock
Dr. Kurtz
Ho scelto l'amore
il sacerdote del convento
The Colditz Story
Kommandant
Albert R.N.
Camp Kommandant
I Am a Camera
Doctor
The Magic Box
Maurice Guttenburg
Man: One Family
Saul
Mrs. Fitzherbert
King George III
The Young Mr. Pitt
Zarak
Haji Khan