On screen
Cast
21 credited performers
Laurence Payne
Norman Martell
Patricia Dainton
Helen Martell
Jane Griffiths
Peggy Hill
Edward Underdown
Dr. Peter Murdoch
John Arnatt
Supt. Ross
Humphrey Lestocq
Simmons, the Producer
Lucy Griffiths
Miss Potter
Artwork unavailable
Olive Milbourne
Mrs. Booth
Arthur Hewlett
Marshall
Annette Kerr
Cinema cashier
Cleo Laine
Cleo
Dudley Moore
Rehearsal Pianist (Uncredited)
Artwork unavailable
Sylvia Davis
Cinema sales girl (uncredited)
Max Faulkner
Det. Sgt. Fred Smith (uncredited)
Artwork unavailable
Garard Green
Patrol car policeman (uncredited)
Artwork unavailable
Arthur Howell
P.C. Williams (uncredited)
Artwork unavailable
Richard Neller
Sleeping Man in Theater (uncredited)
Pat Ryan
Detective Examining Tape-Recorder (uncredited)
Stuart Saunders
Cinema manager (uncredited)
Artwork unavailable
Arthur Skinner
Det. Sgt. Carter (uncredited)
Artwork unavailable
John Tatham
Detective / Fingerprints Officer (uncredited)