Farley Granger
Spike
Farley Granger
Spike
Lucia Bosè
Sylvia Forrest
Giacomo Rossi Stuart
Donald Forrest
Stelvio Rosi
Dr. Williams
Mia Genberg
Susan West
Gianni Medici
Joe
Angelo Francesco Lavagnino
Prof. Lawrence
Dino Fazio
Inspector Wright
Giulia Rovai
Joe's Girl
Franco Beltramme
Det. Sam
Loredana Nusciak
Model for Photo of Lady Sheila Marlowe
Mario Colucci
Director
Mario Colucci
Writer
Massimo Bolongaro
Production Design
Silvano Pan
Art Direction
Enzo Micarelli
Editor
Angelo Francesco Lavagnino
Original Music Composer
Giuseppe Aquari
Director of Photography
Dino Fazio
Producer