
Frederick was educated in Germany and France. He came to England in 1939 and took up acting at the suggestion of his English headmaster. He attended the Guildhall School of Music and Drama in London between 1946 and 1948 and started his stage career at preston Rep in 1949. Many rep seasons in provinces before West End appearances including 'The Comedy of Errors', 'Lock Up Your Daughters', 'The Potsdam Quartet', 'Big Fish, Little Fish', 'For Adults Only', 'A Patriot For Me', 'Mrs. Gibson's Boys' and 'Salad Days'. Frederick started his television career in 1955 and went into films in 1956. He continued to act in all strands of the profession until his death.

Indiana Jones and the Last Crusade
1989 · as World War One Ace

Voyage of the Damned
1976 · as Werner Mannheim

One of Those Things
1971 · as Melchior

Home-Movies
1979 · as Keith Sayle

Ice Cold in Alex
1958 · as 2nd German Officer

The Passage
1979 · as German Major (uncredited)

Cold Comfort Farm
1995 · as Doctor Adolph Müdel

The One That Got Away
1957 · as German Prisoner

Selling Hitler
1993 · as Fritz Stiefel

Scorpio
1973 · as Novins

The Seven-Per-Cent Solution
1976 · as Marker

The Looking Glass War
1970 · as Pilot

Play It Cool
1962 · as Male Receptionist

The Black Tent
1956 · as Koch

Slaughter Day
1972 · as Klaus

I Was Monty's Double
1958 · as Junior German Officer

Probation Officer
1950 · as Norman Warren

Nijinsky
1980 · as Gabriel Astruc