 | Michael Craig als Colonel Stephen Mallory |
 | Eva Renzi als Helena |
 | Adolfo Celi als Hermes |
 | Klaus Kinski als Evagoras |
 | George Sanders als General Downes |
 | Margaret Lee als Nikki |
 | Ennio Balbo als Chief of Police |
 | Giacomo Rossi Stuart als Lt. Tibbitt |
 | Giuseppe Addobbati als Pappyanakis |
 | Mario Novelli als Yani |
 | Luciano Pigozzi als Mr. Anton |
 | Alessandro Momo als Alexander |
 | Rista Đorđević als Priest |
 | John Stacy als Colonel Webb |
| Silvia Faver als Molly |
| Rachael Griffiths als Sylvia |
 | Claudio Trionfi |
 | Mirella Pamphili |
 | Ennio Antonelli |
| William Gage | Novel |
| Adriano Bolzoni | Director |
| Alfredo Nicolai | Producer |
| Gianni Ferrio | Original Music Composer |
| Guglielmo Garroni | Director of Photography |
| Sergio Pisani | Production Manager |
| Franca Silvi | Editor |
| Emanuele Di Stefano | Second Unit Director of Photography |
| Italia Scandariato | Costume Design |
| Aleksandar Milović | Production Design |
| Aldo Marini | Set Decoration |
| Krista Djordjevic | First Assistant Director |
| Ljuba Gamulin | Script Supervisor |
| Renata Melani | Dialogue Coach |
| Luciano Welisch | Sound |
| Franco Schioppa | Makeup Artist |
| Sergio Gennari | Hairstylist |
| Alberto Moretti | Boom Operator |
| Annelisa Forcella | Assistant Editor |
| Sekula Banovic | Camera Operator |
| Lorenzo Sorrentino | Assistant Camera |
| Maurizio Cipriani | Assistant Camera |
| Dragoljub Marković | Production Manager |
| Michele Germano | Unit Manager |
| Tony Selvaggio | Unit Manager |
| Maurizio Pastrovich | Production Secretary |
| Marcello Pagano | Production Secretary |
| Franco Bassi | Sound Mixer |
| Adriano Bolzoni | Writer |
| Günther Heller | Writer |
| Borislav Mihajlović 'Mihiz' | Writer |
