Obsada
Dudley Moore
Rehearsal Pianist (Uncredited)
Patricia Dainton
Helen Martell
Jane Griffiths
Peggy Hill
Edward Underdown
Dr. Peter Murdoch
Cleo Laine
Cleo
John Arnatt
Supt. Ross
Humphrey Lestocq
Simmons, the Producer
Stuart Saunders
Cinema manager (uncredited)
Max Faulkner
Det. Sgt. Fred Smith (uncredited)
Laurence Payne
Norman Martell
Lucy Griffiths
Miss Potter
Annette Kerr
Cinema cashier
Pat Ryan
Detective Examining Tape-Recorder (uncredited)
Arthur Hewlett
Marshall