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)

Ken Annakin