Donald Sutherland
Giacomo Casanova

Tina Aumont
Henriette

Carmen Scarpitta
Madame Charpillon

Clara Algranti
Marcolina

Margareth Clémenti
Sister Maddalena

Diane Kurys
Madame Charpillon

Mary Marquet
Casanova's Mother

Olimpia Carlisi
Isabella

Silvana Fusacchia
Sorella di Isabella

Chesty Morgan
Barberina

Clarissa Mary Roll
Anna Maria

Daniel Emilfork
Marquis Du Bois

Luigi Zerbinati
Papa

Dudley Sutton
Duca di Wuertemberg

John Karlsen
Lord Talou

Reggie Nalder
Faulkircher

Maria Mascarielli
Dinner guest

Mirko Baiocchi
(uncredited)

Nicholas Smith
Casanova's Brother