Alberto Sordi as Alberto Franzetti

Vittorio Gassman as Remo

Nino Manfredi as Quirino

Dorian Gray as Eleonora Franzetti

Franca Valeri as Giovanna

Georges Rivière as Eleonora's Lover

Bernard Blier as Commissario Polizia

Silvana Mangano as Marina

Sylva Koscina as Carolina

Giulio Tomasini as Giambattista

Mario Meniconi as Francesco

Lamberto Antinori as Mario

Bianca Castagnetta as Caterina, la cameriera della villa

Tino Scotti as Fiorenzo, il proprietario del salone da barbiere