Bernard Lee
— Inspector Mann
Moira Redmond
— Freda Strickland
Stanley Morgan
— Sergeant Rutledge
John Van Eyssen
— Merril
Gordon Boyd
— Rex Holland
Mark Singleton
— Shilton
Victor Platt
— Harold Strickland
Ernest Clark
— Ashton
Nicholas Smith
— Pawn Shop Assistant
Larry Martyn
— Pete Lake
Danny Sewell
— Avery
Robert Sansom
— Doctor
Richard Shaw
— Bill Cross
Graham Leaman
— Ballistics Scientist
Hilary Martyn
— Rita
Clive Marshall
— Tony Hart
Ruth Meyers
— Mary Nuttal
Deidre Day
— Secretary
Peter Howard-Johnson
— Police Sergeant