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