Dennis Price
— Inspector Peter Lawton
Peggy Evans
— Joan Lawton
Rex Garner
— Sgt. Bill Todd
Philip Saville
— Edward "Teddy" King / Jim King
Greta Mayaro
— Lena
Arnold Bell
— McMann
Leonard Sharp
— Old Skip
Nora Gordon
— Nanna
Renee Goddard
— Lady Branstead
Arthur Lovegrove
— Inspector Cobb
Daphne Maddox
— Victim
Robert Weeden
— Constable
Eddie Boyce
— Police Constable (uncredited)
John Davis
— Transmitting Constable (uncredited)
Victor Harrington
— Jewel Box Nightclub Patron (uncredited)