Spike

Farley Granger

Acting

Sylvia Forrest

Lucia Bosè

Acting

Donald Forrest

Giacomo Rossi Stuart

Acting

Dr. Williams

Stelvio Rosi

Acting

Susan West

Mia Genberg

Acting

Joe

Gianni Medici

Acting

Prof. Lawrence

Angelo Francesco Lavagnino

Sound

Inspector Wright

Dino Fazio

Production

Joe's Girl

Giulia Rovai

Acting

Det. Sam

Franco Beltramme

Acting

Model for Photo of Lady Sheila Marlowe

Loredana Nusciak

Acting