- Writer:
- Michael Gilbert
- Producer:
- Gerard Glaister
- Director:
- John Gibson
- Designer:
- Norman James
- Story based on the novel 'Men in the Shadows' by:
- Stanley Firmin
- Research:
- Maurice Cowan
- Film cameraman:
- Charles Lagus
- Film editor:
- J. Sterling
- Superintendent Halcro:
- John Welsh
- Chief Superintendent Maw:
- William Fox
- Rhoda Patterson:
- Ellen McIntosh
- Santro:
- John Gabriel
- Mrs. Melrose:
- Rita Webb
- Det.-Sgt. Baker:
- Manning Wilson
- Sergeant Clitheroe:
- Raymond Hodge
- Police Officer:
- John Watson
- Sam Summers:
- George Roderick
- Cracker:
- Sam Kydd
- Dingus:
- Kenneth J. Warren
- Lloyd:
- Peter Lewiston
- Mr. Adler:
- Charles Lloyd Pack
