Inspector
Insp. Lodge
Colonel Layton
Police Superintendent
Cmdr. Chambers
Detective Inspector at Shipping Office
Bryant, manager of the Sportadrome
Sergeant Gurney
Robson
Insp. Gray
Security Chief Brice (uncredited)
Pete Hanken
Inspector Jim Moss
Carley
George Grant
Det. Insp. Carter
Milligan, Reporter in Fleet Street Pub
Bennett
Carter
Norman (uncredited)
Gregory
Recruiting Officer
(uncredited)
George Davenport
Lucien Cortier
Goddard
Johnnie Clayton
John Halifax
Nick Bryan
Robert Brierly
Eddie Fallon
Frank Drayton
Clive Sherrington
Midshipman Young