cast
-
Denis Quilley
Larry Martin
-
Hugh Cross
Detective Inspector Hyde
- Renny Lister Ruth Sanders
- Garard Green Douglas Talbot
-
June Ellis
Vanessa Curtis
-
Nigel Hawthorne
Cliff Fletcher
-
Stanley Meadows
Luther Harris
-
Barry Jackson
Andy Wilson
- Shirley Cain Claire Seldon
-
Gerard Heinz
Dr. Wolf Linderhof
-
Artro Morris
Arthur
- David William Thomas Quayle
- Frances Collier Peggy Grahame
- John Flint Norman Stansdale / Man in Photograph
- Hilary Crane Woman in Photograph / Freda Stansdale
- Edward Brooks Cloakroom Attendant
-
Clifford Earl
Eddie Meadows
- Colin Pinney Detective Sergeant Harrison
- Philip Guard Philip Martin
- Rosemary Rogers Doreen
- Stuart Hutchison Det. Sgt. Macey
- Tony Poole Policeman
- Peter Thornton Policeman
- Diana Oxford Woman at Accident
- Peter Ducrow Detective Inspector Lang
- Leonie Forbes Nurse
- Yvonne Antrobus Model
- Hugh Lund Ticket Seller
- Dino Shafeek Man in Nightclub (uncredited)
- Pam Reece Singer
- Janet Davies Joyce Naylor
- Kenneth Keeling Oscar Naylor
- William Kendrick Police Sergeant
- Michael Hunt Sergeant Wainwright
- Desmond Cullum-Jones Sergeant Bellamy
-
Frank Dunne
Police Sergeant