Murray Matheson

as The clown

as Mr. Agee

as Nathan Bly

as Sir Douglas Devereaux

as The Stranger

as Zacharias

as Specter (voice)

as Statesman Geller

as Dr. Mario Lowell

as Roger

as Publisher

as Burnside

as Mr. Lane-Mariot

as Lord Arnold Dwellyn (voice / uncredited)

as Walter Moran

as Abbott

as Mathews

as Felix Mulholland

as Walter Monckton

as Angus McFee

as Valentine Estes

as Owner of Jaguar

as Professor Dietrich

as Dave Rogers

as Lord Charles Danby

as Harry Fulham

as Snowy Bartlett

as Ovington

as Dr. Reynard

as Dr. Merek

as Captain

as Devonshire

as Dr. Graham

as The Maharajah

as Earl Morehead

as Jack Matlock

as Charles Justin

as Neighbour (uncredited)

as Frank Crawley

as Sir Tony Beardsley

as Leigh Adams

as Augie Belner

as Thomas Edward Griffith

as Clown

as Howard Hopkins

as Oliver Teleton

as Dr. John Keith

as James

as Comrade Clayton

as Maj. Ian MacAllister

as Franz Kovac, Money Courier

as Dr. Alexander Manette

as Inspector Mole

as Rev. Mortimer Thynne

as Dr. Whitmore

as Old Waiter

as Mr. Henderson

as James De Lancey

as Simon Leigh

as Wing Cdr. Allen

as Lancaster Crew

as Joe Lawson