Il mantenuto

Ugo Tognazzi

Stefano

Ilaria Occhini

Daniela

Margrete Robsahm

Carla

Marisa Merlini

Amalia

Mario Carotenuto

Count Gaetano

Franco Giacobini

commissario

Mario Castellani

marito di Amalia

Raimondo Vianello

(uncredited)

Anna Manduchi

Nurse (uncredited)

Pinuccia Nava

prostituta romana