Cast
Cy Endfield
Man leaving British Museum library (uncredited)
Sheila Burrell
Joan Forsythe
Roger Maxwell
Maj. Rodman
Peter Butterworth
Bank Clerk (uncredited)
John Hewer
John Parrish
Marianne Stone
Customer in Bank (uncredited)
Boris Karloff
Colonel March
Joan Sims
Marjorie Dawson
Anthony Forwood
Jim Hartley
Patricia Owens
Betty Hartley
Dana Wynter
Francine Rapport
Ewan Roberts
Inspector Ames
Richard Wattis
Cabot
Ronald Leigh-Hunt
Ireton Bowlder