Glynis Johns
Cary
Rossano Brazzi
Bertrand
Robert Morley
Dreuther
Tony Britton
Philip
Felix Aylmer
The Other
Joyce Carey
Bird's Nest
Geoffrey Keen
Reception Clerk
Peter Illing
Stranger with "The System"
Albert Lieven
Hotel Manager
Mona Washbourne
Nurse (uncredited)
A.E. Matthews
Man
Hyma Beckley
Casino Patron (uncredited)
Joan Benham
Miss Bullen (uncredited)
Paul Beradi
Casino Patron (uncredited)
Carl Bernard
Steward (uncredited)
Bryan Coleman
Elegant Man at Casino (uncredited)
Marianne Deeming
Hotel Maid (uncredited)
Shirley Anne Field
Attractive Girl in Salle Rivée (uncredited)
Alex Gallier
Casino Attendant (uncredited)
Armand Guinle
Official at Mairir (uncredited)
Walter Hudd
Arnold (uncredited)
Murray Kash
Proprietor of Taxi Bar (uncredited)
Charles Lloyd Pack
Sir Walter Blixon (uncredited)
Guido Lorraine
Room Waiter (uncredited)
André Maranne
Bar Waiter (uncredited)
Andre Mikhelson
Head Waiter (uncredited)
John Moffatt
Barman (uncredited)
Bill Morgan
Croupier (uncredited)
Orest Orloff
Casino Barman (uncredited)
Hal Osmond
Liftman (uncredited)
Philip Stewart
Man in Hotel (uncredited)