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