Elenco (na ordem dos créditos)
James Raglan
Inspector Cameron
J.B. Rowe
Inspector Holt
Richard George
Sergeant Carter
Shelagh Furley
Sally
Kenneth Milne-Buckley
Abbott
Jon Farrell
Snake Sullivan
Harry Andrews
Benson
Martin Lewis
Clinton
Peter Madden
Doc, a police surgeon
Charles Farrell
Curtis, a detective
Joan Miller
Sadie
John Farrell
Ernest Jay
Manager
Mercie Carnell
Susie
Mardale Owen
Call-Boy
Frank Thornton-Bassett
Mahoney, a detective
Alec Mango
Arthur Fletcher
Charles Paton
Thomas Fletcher
Hazel Terry
ATOR
Eric Maturin
Archer
Franklyn Bellamy
Colonel Gray
Bryan Powley
Hammond
Frank Foster
Dickinson
Edmund Phelps
Police Constable Barnes
Peter Whitehead
Philip Fletcher