Marcello Mastroianni
— Guido Anselmi
Claudia Cardinale
— Claudia
Anouk Aimée
— Luisa Anselmi
Sandra Milo
— Carla
Rossella Falk
— Rossella
Barbara Steele
— Gloria Morin
Madeleine Lebeau
— Madeleine, the French Actress
Caterina Boratto
— Mysterious Lady
Eddra Gale
— La Saraghina
Guido Alberti
— Pace, the Producer
Mario Conocchia
— Conocchia, the Production Manager
Bruno Agostini
— Bruno, the Second Production Secretary
Cesarino Miceli Picardi
— Cesarino, the Production Supervisor
Jean Rougeul
— Carini, the Film Critic
Mario Pisu
— Mario Mezzabotta
Yvonne Casadei
— Jacqueline Bonbon
Ian Dallas
— Maurice, Maya's Assistant
Mino Doro
— Claudia's Agent
Nadia Sanders
— Nadine, the Hostess
Georgia Simmons
— Guido's Grandmother
Edy Vessel
— Hedy, The Model
Tito Masini
— The Cardinal
Annie Gorassini
— Producer's Friend
Rossella Como
— Luisa's Friend
Mark Herron
— Luisa's Suitor
Marisa Colomber
— Guido's Aunt
Neil Robinson
— The French Actress's Agent
Elisabetta Catalano
— Matilde, Luisa's Sister
Eugene Walter
— The American Journalist
Hazel Rogers
— La negretta