American scientist Dr. Frank Smith is brought to Britain to help the C.I.A. There is a defecting East block scientist they want him to debrief. The commies are less than amused and set Dr. Smith up for a murder.
Mary Randall, Q.C.
Anna Neagle
Dr. Frank Smith
Anthony Quayle
Eve Trent
Zsa Zsa Gabor
Yvonne Delbeau
Katherine Kath
Telephonist
Dora Bryan
Jim Kennedy
Patrick Allen
Bernie
Hugh McDermott
Professor Horvard
Leonard Sachs
Hobbs
Edward Lexy
John Castle
John Paul
Judge
John Le Mesurier
Baker
Anthony Sharp
Jury Foreman
Anthony Pendrell
Cross
David Aylmer
Bellamy
Lloyd Lamble
(uncredited)
Neal Arden
Court Clerk (uncredited)
Ballard Berkeley
Liftman (uncredited)
Cyril Chamberlain
(uncredited)
John Harvey
(uncredited)
Jennifer Jayne
(uncredited)
Diana King
(uncredited)
Norman Mitchell
Courtroom Spectator (uncredited)
Guy Standeven
(uncredited)
Graham Stewart
Man in Hotel Lobby (uncredited)
John Tatum
George Fraser (uncredited)
John Welsh
(uncredited)
Anthony Woodruff
(uncredited)
Middleton Woods