Bernard Ingham

Aneurin Morgan

Old Jack

Colonel Ben Wolsey

Ticket Collector

Peters

Cesar Rodriguez

Sidney Stewart

Professor Watson

Det. Insp. Isaacs

Mr. Collins

Colonel Ronald Sutherland

Police Sergeant Draycott

Marriott

Detective Inspector Barnes

Berry

Corporal Welsh

Mike

Inspector Sparrow

Inspector Harris

Hugh Davies

Pit Manager

Sgt. Parker

Frank Moore

Gym Instructor (uncredited)

Smoking Machinist

Carnival Barker (uncredited)

2nd Porter

Able Seaman - 'Prince of Wales' (uncredited)

Detective at Police Station (uncredited)

Fred (uncredited)

Box office clerk

Stoker (uncredited)

Harry 'Hurricane'

Police Officer in Court (uncredited)

Bates

Detective Sergeant in 'Q' car

Arresting Policeman (uncredited)

Bus Driver

Charley Boy

Bailey

Knox

Charlie Williamson

Bob

Phillips

Ned Rutter

George

Passerby (uncredited)

Dai Thomas

Railway shunter (uncredited)

Ted

Sailor (uncredited)

Barrow Boy (Uncredited)