Elliott Gould
Alcide
Vittorio Gassman
Augusto Scribani
Firmine Richard
Anita
Dominique Sanda
Carla
Monica Scattini
Margherita
Gianni Franco
Donald Hodson
Diogene (as Donald Falaise Hodson)
Eva Grimaldi
Ines
Roberto Ceccacci
Maurizio Fardo
Giorgio
Luciano Foti
Party Guest (uncredited)
Gino Clemente
Albano Bufalini
Train passenger
Maria Teresa Piaggio
Camonti
Valentina Holtkamp
Rosa
Jon Fabian
(voice) (uncredited)