 | Richard Burton Baron von Sepper |
 | Joey Heatherton Anne |
 | Raquel Welch Magdalena |
 | Virna Lisi Elga |
 | Nathalie Delon Erika |
 | Marilù Tolo Brigitte |
 | Karin Schubert Greta |
 | Agostina Belli Caroline |
 | Sybil Danning A Prostitute |
 | Edward Meeks Sergio |
 | Jean Lefebvre Greta's Father |
 | Erica Schramm Greta's Mother |
 | Doka Bukova Rosa |
 | Mathieu Carrière The Violinist |
| Karl-Otto Alberty Friend of von Sepper |
 | Kurt Großkurth Von Sepper's Friend |
| Thomas Fischer Von Sepper's Friend |
 | Peter Martin Urtel Von Sepper's Friend |
 | Mag-Avril Marka |
 | Sándor Szabó The Doctor |
| Dennis Burgess The Coroner |
| Directing | |
| Edward Dmytryk | Director |
Writing | |
| Edward Dmytryk | Writer |
| Maria Pia Fusco | Writer |
Production | |
| Velisar Kresteff | Associate Producer |
| Ilya Salkind | Executive Producer |
Writing | |
| Luciano Sacripanti | Writer |
Production | |
| Alexander Salkind | Producer |
Writing | |
| Ennio De Concini | Writer |
Production | |
| Remo Odevaine | Associate Producer |
Sound | |
| Ennio Morricone | Original Music Composer |
Camera | |
| Gábor Pogány | Director of Photography |
Production | |
| David Klein | Production Coordinator |
| Ludmilla Goulian | Production Manager |
| Dezsõ Jutasi | Production Manager |
| Marc Maurette | Production Manager |
Art | |
| Tamás Vayer | Art Direction |
Production | |
| Daniel Carillo | Production Supervisor |
Editing | |
| Jean Ravel | Editor |
Production | |
| Wolfgang von Schiber | Production Supervisor |
| Pierre Spengler | Executive In Charge Of Production |
Directing | |
| Jean-François Dion | Assistant Director |
| Zsolt Szabo | Assistant Director |
Camera | |
| Idelmo Simonelli | Camera Operator |
| Cristiano Pogany | Focus Puller |
Crew | |
| Michael Knox | Dialogue Coach |
Directing | |
| Alice Ziller | Continuity |
Sound | |
| Adi Kredatus | Sound Engineer |
| Thomas Ubelacker | Boom Operator |
Crew | |
| Carlo Rambaldi | Special Effects |
Costume & Make-Up | |
| Ron Berkeley | Makeup Supervisor |
| John O'Gorman | Makeup Artist |
| Marie-Madeleine Paris | Makeup Artist |
| Jean Zay | Costume Supervisor |
| Cecilia Gonzales Pozuelo | Hairdresser |
Sound | |
| Norman B. Schwartz | Sound Editor |
Editing | |
| Maurizio Mangosi | Assistant Editor |
| Carlo Fabianelli | Assistant Editor |
Camera | |
| Bernard Malaisy | Still Photographer |
Visual Effects | |
| Ben Helprin | Visual Effects |
Crew | |
| Andrew Neatrour | Unit Publicist |
| Robert Sydney | Choreographer |
Production | |
| Nadia Petri | Production Secretary |
| Graziella Bassi | Production Secretary |
| Gaby Herstel | Production Secretary |
Sound | |
| Franco Bassi | Sound Mixer |
Costume & Make-Up | |
| Vicki Tiel | Costume Designer |
| Jacques Fonteray | Costume Designer |
Sound | |
| Franco Tamponi | Music Director |
