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