Carl Jaffe
— Stefan
Alan Haywood
— Peter Godwin
Stanley Morgan
— Wylie
Derrick De Marney
— Alderbrook
Jennifer Wright
— Angela
Delia Corrie
— Eve
Alan Edwards
— Wilson
Geoffrey Dunn
— Jeremiah
Eric Elliott
— Dr. Hooper
John Harvey
— Assistant Commissioner
Donald Tandy
— Sgt. Hawkes
Doug Robinson
— Warder
Joe Ritchie
— Lorry Driver
Grenville Eves
— 1st Inspector
Basil Beale
— 2nd Inspector
Robin Ford
— Attendant
Frank Thornton
— BBC Announcer