Bruce Seton

as Prof. Flaherty (archive footage)

as Beadle

as Col. James Somerset

as Nimmo

as Assistant Commissioner

as Prosecutor

as Prof. Flaherty

as Felix

as Charlie

as Patrolman (uncredited)

as Colonel Digby-Phillpotts

as (uncredited)

as River Police Inspector

as 1st Villager

as Policeman on Train (uncredited)

as Inspector Davis

as Supt. James

as Landlord

as Bill Dodd

as Inspector Shearing

as Colonel Bullinger

as Kemp

as King Richard The Lionheart

as Earl of Ashington

as Ted Austin

as Mac

as Major Osborne

as James Pelly

as Webb

as Capt. Hartnett (uncredited)

as Fabian of the Yard (uncredited)

as Will Scatlock (uncredited)

as Det. Supt. Robert Fabian

as Inspector Fabian

as Sellars

as Police Driver (uncredited)

as Detective Chief Inspector

as Wilson (uncredited)

as Tallow

as Sgt. Bellamy

as (uncredited)

as Squadron Leader Briarly

as Supt. Crowe

as Gerald Vane

as Lord Steven Wolverbury

as Bill Bryant

as PC 'Jock' Campbell

as Sergeant Odd

as Lt. H. Pennell R.N.

as Sergeant

as Johns

as Jack Wraydon

as Captain Randall

as Journalist (uncredited)

as Lord 'Tiny' Tyneside

as Lt. Travers

as John Smith

as Johnnie Miller

as Madison, tall henchman

as Harry Stone

as Ronald Bruce

as Roger Manning

as Dancer

as Donald Carson

as Murray

as Mark

as Jamie Turner

as Don Chinko