
Casts

Farley Granger
as Spike

Lucia Bosè
as Sylvia Forrest

Giacomo Rossi Stuart
as Donald Forrest

Stelvio Rosi
as Dr. Williams

Gianni Medici
as Joe

Angelo Francesco Lavagnino
as Prof. Lawrence

Franco Beltramme
as Det. Sam

Loredana Nusciak
as Model for Photo of Lady Sheila Marlowe