character - Bernard Ingham

character - Aneurin Morgan

character - Old Jack

character - George Craven

character - Colonel Ben Wolsey

character - Ticket Collector

character - Peters

character - Harry

character - Cesar Rodriguez

character - Sidney Stewart

character - Professor Watson

character - Sidney Stewart

character - Bunter

character - Robert Ager

character - Bunter

character - Bunter

character - Det. Insp. Isaacs

character - Henry Curtis

character - Mr. Collins

character - Gerald Marlowe

character - Colonel Ronald Sutherland

character - Jack Norton

character - Police Sergeant Draycott

character - Marriott

character - Sgt. Carmichael

character - Detective Inspector Barnes

character - Berry

character - Cpl. Welsh, St. John's Ambulance

character - Colonel Ben Wolsey

character - Professor Watson

character - Mike

character - Inspector Sparrow

character - Inspector Harris

character - Hugh Davies

character - Pit Manager

character - Sgt. Parker

character - Frank Moore

character - Smoking Machinist

character - Carnival Barker (uncredited)

character - 2nd Porter

character - Able Seaman - 'Prince of Wales' (uncredited)

character - Detective at Police Station (uncredited)

character - Box office clerk

character - Stoker (uncredited)

character - Harry 'Hurricane'

character - Police Officer in Court (uncredited)

character - Bates

character - Detective Sergeant in 'Q' car

character - Arresting Policeman (uncredited)

character - Peter Ridgway

character - Bus Driver

character - Woody

character - Charley Boy

character - Bailey

character - Knox

character - Charlie Williamson

character - Bob

character - Phillips

character - Ned Rutter

character - George

character - Passerby (uncredited)

character - Dai Thomas

character - Ted

character - Sailor (uncredited)

character - Barrow Boy (Uncredited)