Other titles: Hart auf hart | Meu Reino, Minha Vida | Éste es mi reino | Ødemarkens hemmelighed | Kalliovuorten aarre | Veijarin testamentti | La vallée de l’or noir | Στην κόλαση της ανταρσίας | Το βασίλειο του Κάμπελ | La Dinastia del petrolio | キャンベル渓谷の激闘 | La montaña del desastre | Królestwo Campbella | Meu reino, minha vida | Regatul lui Campbell | Королевство Кэмпбелла | La dinastía del petróleo | Främling i Klippiga bergen | Tuffa tag i Klippiga bergen | Krallar Vadisi | Dammbruch | Gefährliches Erbe
Year Released: 1957
Month released: September
Certification: Finland:K-8, France:Tous publics, Japan:G, Norway:7, Sweden:15, United Kingdom:PG, United Kingdom:U, West Germany:12
Directors: Ralph Thomas
Cast: Arnold Schulkes, Athene Seyler, Barbara Murray, Bob Head, Charles Rayford, Dirk Bogarde, Finlay Currie, George Murcell, Gordon Tanner, Jack Sharp, James Robertson Justice, John Laurie, Mark Baker, Mary Merrall, Maurice Kaufmann, Michael Collins, Michael Craig, Miles Malleson, Nicholas Stuart, Peter Illing, Richard McNamara, Robert Brown, Roland Brand, Sidney James, Stanley Baker, Stanley Maxted
Additional Crew: Arthur Alcott
Camera and electrical department: Bernard Ford, H.A.R. Thomson, Ian Jeayes, Porky Walpole, Robin Vidgeon
Certification: Finland:K-8, France:Tous publics, Japan:G, Norway:7, Sweden:15, United Kingdom:PG, United Kingdom:U, West Germany:12
Cinematographers: Ernest Steward
Colorization: Color
Country: United Kingdom
Distributors: AmCo, Artaire Films, Georgiadis Ilekroniki, Intergroove Media, J. Arthur Rank Film, J. Arthur Rank Film Distributors, J. Arthur Rank Films, Kommunenes Filmcentral (KF), Network Distributing, Premium Cine, Rank Film Distributors of America, Rank Film Distributors of Sweden, Sonet Video, Thorn EMI Video Australia, VCI Entertainment, Video Collection International, Video Medien Pool (VMP)
Editors: Frederick Wilson
Languages: English
Music Department: Muir Mathieson
Production Managers: Denis Holt
Script and Continuity Department: Joan Davis