Conrad Veidt
Matathias / The Unknown Knight / Dr Matteos Battadios
Anne Grey
Joanne de Beaudricourt (Phase II)
Bertram Wallis
Boemund, Prince of Tarentum (Phase II)
Dennis Hoey
Lord de Beaudricourt (Phase II)
Jack Livesey
Godfrey, Duke of Normandy (Phase II)
John Stuart
Pietro Morelli (Phase III)
Arnold Lucy
Andrea Michelotti (Phase III)
Peggy Ashcroft
Olalla Quintana (Phase IV)
Francis L. Sullivan
Juan de Texada (Phase IV)
Stafford Hilliard
Juan, the Servant (Phase IV)