Giancarlo Giannini as Inspector Tellini

Claudine Auger as Laura

Barbara Bouchet as Maria Zani

Rossella Falk as Franca Valentino

Silvano Tranquilli as Paolo Zani

Annabella Incontrera as Mirta Ricci

Ezio Marano as Masseur

Barbara Bach as Jenny

Stefania Sandrelli as Anna Tellini

Giancarlo Prete as Mario

Anna Saia as Maria's friend

Nino Vingelli as Inspector Di Giacomo

Daniele Dublino as Entomologist

Giuseppe Fortis as Psychiatrist

Guerrino Crivello as Informer

Fulvio Mingozzi as Surgeon

Giorgio Dolfin as Policeman

Carla Mancini as Client at beauty parlor

Alfonso Giganti as Policeman in projection room

Eleonora Giorgi as Maid in beauty parlor

Ettore Mattia as La catapulta

Eugene Walter as Ginetto, the waiter (as Walter Eugene)

Giuliana Farnese as Mrs. Fluzzi (uncredited)