Detective Inspector at Shipping Office

Studd

Goddard

Lucien Cortier

Colonel Layton

Insp. Lodge

Carter

Det. Insp. Carter

Inspector

Gregory

Robert Brierly

Midshipman Young

Frank Drayton

Johnnie Clayton

Clive Sherrington

Carter

Cmdr. Chambers

Nick Bryan

Inspector Cobley

John Marsden

Carley

Inspector Jim Moss (uncredited)

George Grant

Frank Jamieson

Dr. Worksop

Shaw

(uncredited)

Prisoner's Escort on Ship (uncredited)

Inspector Raynor

Recruiting Officer

John Halifax

Milligan, Reporter in Fleet Street Pub

Insp. Gray

Donald Clark

Sergeant Gurney

Police Superintendent

Security Chief Brice (uncredited)

Bennett

Robson

Eddie 'Babyface' Fallon

Pete Hanken

George Davenport

Norman (uncredited)

Bryant, director del polideportivo

Jim Carey

Jack Gay

Ted Bracher

Brown

Dr. Gavron

John Patterson