as Detective Frank Webber

as Det. Insp. Kent

as Richard Sandford

as Chief Inspector Lomax

as Charles Bentham

as Charles Hornblower

as Passport officer

as Narrator

as Inspector Bliss

as David / Martin

as Joseph Quinney

as Jack Meadows

as Floquet

as Mortimer Digby

as Tod Jenkins

as Peter Ashton

as Worthington

as Inspector James

as Colonel O'Sullivan

as Narrator (voice) (uncredited)

as Inspector Thompson

as Man With Pipe

as Captain Johnson (uncredited)

as Raven (uncredited)

as Jeremy Meraulton

as John Peters, a Pilot

as Lieutenant Boris Boriskoff

as Admiral

as Bill Peel

as Himself

as Boyfriend

as Dean Maitland

as Sherlock Holmes

as Julian Caesar

as Frank Dale

as Anthony Xavier 'Tony' Benedik

as Stuart Gordon

as Police Inspector Merton

as Man from China (uncredited)

as DI Williams

as Mr. Kemp

as Commander

as Jeffrey

as Lt. Stanislaus von Zaminsky

as Inspector Wembury

as Harry Fielding

as Harry Crawford

as Hugh Bromilow

as Lanchester

as Metcalf

as Inspector Slade

as No. 1

as Unnamed Character

as Speaker in Connaught Rooms

as Prof. Hubbard

as Ground Officer (uncredited)

as Bill

as Jost Meertens

as Munch

as The Abbot

as Detective

as Gen. Serpuhousky

as Ivan

as Le Beau - Illusionist

as De La Fayette

as Director

as Writer

as Scenario Writer

as Writer

as Writer