| Music |
| Ennio Morricone (Music Composed by), Bruno Nicolai (dirette da)
|
| Writer |
| S.S. Schweitzer (Screenplay by), Renzo Cerrato (sceneggiatura), Luciano Vincenzoni (sceneggiatura)
|
| Master of Arms |
| George Robotham (Stunt Supervisor), Goffredo Unger (maestri d'armi), Gino Marturano (maestri d'armi)
|
| Director of Photography |
| Gabor Pogany (Director of Photography), Idelmo Simonelli (Camera Operator), Romolo Garroni (operatore alla macchina), Franco Tocci (capo squadra macchinista), Luciano Marrocchi (capo squadra elettricista)
|
| Editor |
| Al Streeter (Sound Editor), J. Terry Williams (Film Editor - als Terry Williams), Roberto Silvi (montaggio)
|
| Story |
| Stanley Colbert (and (Based on a story by)), S.S. Schweitzer (Based on a story by)
|
| Art Direction |
| Arrigo Equini (Art Director)
|
| Sound |
| David Hildyard (Sound Mixer)
|
| Special effects |
| Paul Pollard (Special Effects)
|
| Costumes |
| Annalisa Nasalli Rocca (Wardrobe)
|
| 1. Assistant director |
| Franco Cirino (First Assistant Director)
|
| Continuity |
| James Dobson (Script Consultant)
|
| Make up |
| Mark Reedall (Rock Hudson's Make-up)
|
| 1. Assistant director |
| Gianni Cozzo (aiuto regista)
|
| Continuity |
| Francesca Roberti (segretaria di edizione)
|
| Sound |
| Aldo De Martino (fonico)
|
| Art Direction |
| Mario Valentini (costruzioni)
|
| Producer |
| Stanley S. Canter (- presents / Produced by), Ottavio Oppo (Production Supervisor), Alfredo Sinatra (Comptroller), William Evans (Auditor), Graham Cottle (Production Manager), Alfredo Chetta (segretario di produzione)
|
| Director |
| Phil Karlson (Directed by)
|
