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.
1995
as Doctor Adolph Müdel
1991
as Fritz Stiefel
1990
as Millburn
1990
1989
as World War One Ace
1985
1984
as Colonel Melchett
1984
as Colonel Melchett
1983
as Mr. Forson
1982
as Edvard Jensen
1982
as Self
1982
as Various
1981
as Douglas Smedley
1980
as Gabriel Astruc
1980
1980
as Kurt Langsdorf
1979
as Keith Sayle
1979
as Inspector Klingmann
1979
1979
as German Major
1979
as Harry Day
1978
as Inspector Grant
1978
1978
as Major Robert Wheeler
1977
as Schuman
1977
as Professor Marius
1976
as Werner Mannheim
1976
as Marker
1976
as Jones
1976
1976
1975
as Sorenson
1975
1975
as Hans Deiter
1975
as Goldman
1974
as Holstein
1973
1973
as Novins
1973
as Mr Barker
1972
as Bergen
1972
as Joachim
1972
as Klaus
1971
as Wilkinson
1971
as Luther
1971
1971
1971
as Melchior
1970
as Henrik Ibsen
1970
as Jim
1970
as Richard Massingham
1970
as Pilot
1969
as Major Harwood
1969
as Peter Jarratt
1969
1968
1967
as Sir Adam
1967
1966
as Jano
1964
1963
as Sorenson
1963
as Professor Marius
1963
as Kinesias
1962
as Male Receptionist
1962
1961
as Vicary
1961
1961
as Benson
1959
as Bernarde
1959
1959
as Johann
1958
as Junior German Officer
1958
as 2nd German Officer
1957
as German Prisoner
1956
as Sir Christopher
1956
as Koch
1955
as Bequeville
1955
as John Charles Walton
1950
as Norman Warren