Carlo Giordani James Franciscus

Franco Arnò 卡尔·马尔登

Anna Terzi 凯瑟琳·斯巴克

Police Supt. Spini Pier Paolo Capponi

Dr. Braun Horst Frank

Bianca Merusi 拉达·拉西莫夫

Dr. Casoni Aldo Reggiani

Dr. Calabresi Carlo Alighiero

Righetto (cameraman) Vittorio Congia

Gigi the Loser Ugo Fangareggi

Dr. Esson Tom Felleghy

Dr. Mombelli Emilio Marchesini

Spimi's man Fulvio Mingozzi

Morsella Corrado Olmi

Barber Pino Patti

Manuel's ex-lover Umberto Raho

Prof. Manera Jacques Stany

Taxi driver Stefano Oppedisano

Telephone operator Ada Pometti

Walter Pinelli

Sascha Helwin

Film starlet Marie Louise Sinclair

Martial Boschero

Lori Cinzia De Carolis

Manuel Werner Pochath

Prof. Fulvio Terzi Tino Carraro

Billiard Player (uncredited) Ettore Arena

Smoker in the Billiard Hall (uncredited) Aristide Caporale

Chief of Police Salmi (uncredited) Giovanni Di Benedetto

Lori's Babysitter (uncredited) Margherita Horowitz

Man at Table in the Saint Peter's Club (uncredited) Giuseppe Marrocco

Man in the Terzi's Institute (uncredited) Gennarino Pappagalli

(uncredited) Aldo Parenti

Policeman - Speaks with Morsella About Food (uncredited) Franco Ukmar