Michael York

Robert Dominici

Acting

Edwige Fenech

Hélène Martell

Acting

Donald Pleasence

Inspector Datti

Acting

Mapi Galán

Susanna

Acting

Fabio Sartor

Davide

Acting

Renato Cortesi

Agent Marchi

Acting

Antonella Ponziani

Gloria Datti

Acting

Carola Stagnaro

Dr. Carla Pesenti

Acting

Daniele Brado

Dr. Vanni

Acting

Caterina Boratto

Robert's Mother

Acting

Lewis E. Ciannelli

Chief Physician

Writing

Renata Dal Pozzo

Agent Corsi

Acting

Giovanni Lombardo Radice

Father Giuliano

Acting

Gianni Franco

Inspector

Acting

Marino Masé

Aging Expert

Acting

Achille Brugnini

Acting

Giovanni Tamberi

Andrea

Acting

Loris Loddi

Danzil, a Cop

Acting

Hal Yamanouchi

Swordmaster

Acting

Diego Verdegiglio

Acting

Raffaella Baracchi

Laura, Venice Prostitute

Acting

Emy Valentino

Acting

Daniela Merlo

Mother (uncredited)

Acting

Raf Baldassarre

Man in Police Line-Up (uncredited)

Acting

Rossana Canghiari

Party Guest (uncredited)

Acting

Lella Cattaneo

Woman at Robert's Piano Concert (uncredited)

Acting

Ruggero Deodato

Man That Gets on Moped at Station (uncredited)

Directing

Giuseppe Marrocco

Man at Robert's Piano Concert (uncredited)

Acting

Benito Stefanelli

Man in Restroom (uncredited)

Acting