Anthony Bushell
Det. Insp. Forsythe
Jane Baxter
Linda Kent
Arthur Macrae
Gilbert Kent
Ronald Squire
Jim Kent
Margaret Rutherford
Evelyn Summers aka Miss Butterby
Austin Trevor
Swiss Hotelier-Gang Leader
Athole Stewart
Mr. Kent
Katie Johnson
Emily Kent
Felix Aylmer
Police Commissioner
George Merritt
Police constable
Wally Patch
Thug
Victor Rietti
Luggage Snatcher (uncredited)
Hal Gordon
Det. Sergeant Helmsley