Richard Chamberlain
— Giacomo Casanova
Faye Dunaway
— Madame D'Urfe
Sylvia Kristel
— Maddalena
Ornella Muti
— Henriette
Hanna Schygulla
— Casanova's Mother
Sophie Ward
— Jacqueline
Frank Finlay
— Razetta
Roy Kinnear
— Balbi
Kenneth Colley
— Le Duc
Richard Griffiths
— Cardinal
Jean-Pierre Cassel
— Louis XV
Toby Rolt
— Young Giacomo Casanova
Traci Lind
— Heidi
Jessica Moore
— Angelique (as Gilda Germano)
Fernando Hilbeck
— Grimani