Robert Douglas

as Roger Howard

as Self

as Dr. Theophilus(1 ep)

as Dr. Michaels

as Stanley Baldwin

as Frank Pierce(1 ep)

as Sir Alex Gordon (uncredited)

as Allen Bardeman

as Antony Hugh Swinburne(1 ep)

as Albert Othery(2 eps)

as Col. James Parker

as Uncle Morton Stearnes

as Harrison Ackroyd(1 ep)

as Gen. George Washington(1 ep)

as Paul McCord(1 ep)

as Dr. Emory Williams(1 ep)

as Agamemnon

as John Porter

as Inspector Charles Tarrant(1 ep)

as Inspector Ben Liebenberg(1 ep)

as Gen. Benedict Arnold

as Sir Christopher Hatton

as Gen. Cornwallis(2 eps)

as Sir Giles Amaury

as Benton

as Danzer

as General

as Roger Howard(1 ep)

as Saint Ebenezer / Pulo Besar

as Michael, Duke of Strelsau

as Sir Hugh De Bracy

as Dr. Edward Jeffreys

as Col. von Broeck

as Colonel Creighton

as Commander Von Molter

as Frank Hunter(1 ep)

as Marchese Alessandro de Granazia

as Philip Cagle

as Stephen Paradou

as Aubrey Milburn

as Alexander Narbonne

as John Tyson

as Narrator (voice) (uncredited)

as Elsworth Toohey

as Lt. Michael Landers

as Duque de Lorca

as Ken Blake

as Jones

as Richard Marquess

as Briefing Officer

as John Flight

as Edward Whymper

as Capt. Markham

as Nigel Taplow

as Kit Woods

as Lord Breethorpe

as Dick Summers

as Godfrey Marvin