L'arma, l'ora, il movente

Renzo Montagnani

Inspector Boito

Bedy Moratti

Orchidea Durantini

Eva Czemerys

Giulia Pisani

Salvatore Puntillo

Moriconi

Claudia Gravy

Sister Tarquinia

Alcira Harris

Arturo Trina

Ferruccio

Adolfo Belletti

Anselmo Barsetti - The Sacristan

Arnaldo Bellofiore

Francesco D'Adda

Pisani - Giulia's Husband

Filippo Pompa Marcelli

(as Filippo Marcelli)

Gina Mascetti

Mother Superior

Lorenzo Piani

Maurizio Bonuglia

Don Giorgio

Raniero Dorascenzi

Photographer (uncredited)

Pietro Innocenzi

Photographer (uncredited)