Other titles: Hercule l’invincible | De onoverwinnelijke Hercules | Hércules Contra o Império dos Elefantes | The Sons of Hercules: Land of Darkness | Hércules, el invencible | Hercules the Invincible | Iraklis, o aittitos | Cengiz Han’ın Fedaisi | The Sons of Hercules in the Land of Darkness | Hercules Against the Elephants’ Empire | Der größte Sieg des Herkules | Son of Hercules
Year Released: 1964
Month released: March
Certification: Belgium:KT/EA, France:Tous publics, Norway:16, United Kingdom:U, United States:Unrated, West Germany:12
Directors: Alvaro Mancori
Cast: Alberto Cevenini, Angela Palmieri, Barbara Loy, Carla Calò, Christine Mathius, Dan Vadis, Emilio Messina, Howard Ross, Jannette Le Roy, Ken Clark, Kriss Moss, Liliana Santegidi, Livia Rossetti, Maria Fiore, Mario De Simone, Michaela Ariston, Olga Solbelli, Ottorino Polentini, Paul Mac Lee, Pietro Torrisi, Roberto Alessandri, Roberto Messina, Romano Milani, Rosemarie Lindt, Sara Laurier, Silvana Bacci, Spela Rozin, Ugo Sasso
Producers: Alvaro Mancori
Additional Crew: André Valmy, Dhia Cristiani, Enzo Musumeci Greco, Franca Dominici, Franco Fantasia, Gualtiero De Angelis, Jacqueline Carrel, Jacques Eyser, Janine Fréson, Jean-Henri Chambois, Jean-Pierre Duclos, Lauro Gazzolo, Luciano De Ambrosis, Maria Pia Di Meo, Marie Francey, Massimo Turci, Nando Gazzolo, Renato Turi, Vittoria Febbi
Camera and electrical department: Angel Pat
Certification: Belgium:KT/EA, France:Tous publics, Norway:16, United Kingdom:U, United States:Unrated, West Germany:12
Cinematographers: Claude Haroy
Colorization: Color
Country: Italy
Distributors: AVCO Embassy Television, Cosmopolis Films, Embassy Pictures, Golden Era Film Distributors (GEF), Mill Creek Entertainment, Movietime, Paradise Film Exchange, Payless Entertainment, Rai Movie, RiffTrax, Sinister Cinema, Something Weird Video (SWV), Video Tape Center (VTC), Video Yesteryear
Editors: Franco Fraticelli
Languages: Italian
Sound Department: Flow Garden
Special Effects: Eros Bacciucchi