Matheson Lang
— Cardinal de Medici
Eric Portman
— Giuliano de Medici
Robert Atkins
— General Belmont
O.B. Clarence
— Monterosa
Douglas Jefferies
— Baglioni
F.B.J. Sharp
— Pope Julius II
Wilfred Fletcher
— Michaelangelo
A. Bromley Davenport
— Bramante
Rayner Barton
— Cardinal Orelli
Edgar K. Bruce
— Spini
David Horne
— English Abbot
June Duprez
— Francesca Monterosa
Henrietta Watson
— Donna Claricia
Dora Barton
— Duenna