The Traitor

Plot:

A German Jewish doctor, who is a former resistance fighter against the Nazis during the war, attends an annual reunion at the home of a former British officer. However, when he discovers that many of his former compatriots have mysteriously died, he begins to suspect that one of the "resistance" fighters may in fact have been a Nazi agent who is now trying to eliminate all the members of the unit.

Cast:

Donald Wolfit as Col. Charles Price
Robert Bray as Maj. Shane
Jane Griffiths as Vicki Toller
Carl Jaffe as Prof. Stefan Toller
Anton Diffring as Joseph Brezina
Christopher Lee as Dr. Neumann
Oscar Quitak as Thomas Rilke
Karel Stepanek as Mayor Friederich Sudermann
Frederick Schiller as Alfred Baum
Rupert Davies as Clinton (the butler)
John Van Eyssen as Lt. Bobby Grant
Colin Croft as Theodore Dehmel
Dennis Edwards
Fletcher Lightfoot as Man giving Sudermann telegram
Rex Montgomery
Bernard Quinn
John Herrington as Albert
George Herbert
Frederick Schrecker as Man in Sudermann's office
Reginald Atkinson
Ann Greenland
Marie Lightfoot rest of cast listed alphabetically:
Christopher Cooke as Bit Part (uncredited)