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