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