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

Davina Whitehouse

Goldie, the maid

Athole Stewart

Mr. Kent

Katie Johnson

Emily Kent

Felix Aylmer

Police Commissioner