character - Self

character - Dr. Theophilus

character - Dr. Michaels

character - Stanley Baldwin

character - Frank Pierce

character - Sir Alex Gordon (uncredited)

character - Allen Bardeman

character - Antony Hugh Swinburne

character - Albert Othery

character - Col. James Parker

character - Uncle Morton Stearnes

character - Harrison Ackroyd

character - Paul McCord

character - Gen. George Washington

character - Agamemnon

character - John Porter

character - Inspector Charles Tarrant

character - Inspector Ben Liebenberg

character - Gen. Benedict Arnold

character - Sir Christopher Hatton

character - Gen. Cornwallis

character - Sir Giles Amaury

character - Benton

character - Danzer

character - General

character - Roger Howard

character - Saint Ebenezer / Pulo Besar

character - Michael, Duke of Strelsau

character - Sir Hugh De Bracy

character - Dr. Edward Jeffreys

character - Col. von Broeck

character - Colonel Creighton

character - Commander von Molter

character - Frank Hunter

character - Marchese Alessandro de Granazia

character - Philip Cagle

character - Stephen Paradou

character - Aubrey Milburn

character - Alexander Narbonne

character - John Tyson

character - Narrator (voice) (uncredited)

character - Elsworth Toohey

character - Lt. Michael Landers

character - Duque de Lorca

character - Ken Blake

character - Jones

character - Richard Marquess

character - Briefing Officer

character - John Flight

character - Edward Whymper

character - Capt. Markham

character - Nigel Taplow

character - Kit Woods

character - Lord Breethorpe

character - Dick Summers

character - Godfrey Marvin