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