Richard Ainley

as Larry West

as Marching Rebel Behind King Louis (uncredited)

as Military Doctor (uncredited)

as Peter Galt

as Philip Barrows

as Leonardo da Vinci

as Mr. Worthing

as Tennant Bentley

as Lt. Norman MacNeil-Fraser

as McKay Standish

as Dr. Hale

as John Wetherby

as George Allison

as Jelliffe Blaine

as Lou Payne

as Geoffrey Brown

as Billy Frist

as Morgan

as Lieutenant

as Ray Bennett

as Sylvius