as Peter Galt

as Leonardo da Vinci

as Tennant Bentley

as Mr. Worthing

as Lou Payne

as Larry West

as George Allison

as Morgan

as Dr. Hale

as John Wetherby

as Ray Bennett

as Philip Barrows

as Jelliffe Blaine

as Lt. Norman MacNeil-Fraser

as Lieutenant

as Geoffrey Brown

as Sylvius

as Marching Rebel Behind King Louis

as McKay Standish

as Billy Frist

as Military Doctor (uncredited)