Dr. Michaels
Allen Bardeman
Col. James Parker
Uncle Morton Stearnes
Agamemnon
Mr. John Porter
Gen. Benedict Arnold
Sir Christopher Hatton
Sir Giles Amaury
Benton
Danzer
General
Saint Ebenezer / Pulo Besar
Michael, Duke of Strelsau
Sir Hugh De Bracy
Dr. Edward Jeffreys
Col. von Broeck
Colonel Creighton
Commander von Molter
Marchese Alessandro de Granazia
Philip Cagle
Stephen Paradou
Aubrey Milburn
Alexander Narbonne
John Tyson
Narrator (voice) (uncredited)
Elsworth Toohey
Lt. Michael Landers
Ken Blake
Duque de Lorca
Richard Marquess
Briefing Officer
John Flight
Edward Whymper
Capt. Markham
Nigel Taplow
Kit Woods
Lord Breethorpe
Godfrey Marvin
