Dimitri Logothetis Director, Screenwriter, Producer Alain Moussi Kurt Sloane Actor Jean-Claude Van Damme Master Durand Actor Christopher Lambert Thomas Moore Actor Mike Tyson Briggs Actor Sara Malakul Lane Liu Actor Hafþór Júlíus Björnsson Mongkut Actor Sam Medina Crawford Actor Steven Swadling Joseph King Actor, Executive Producer Miles Strommen Rupert Actor Maxime Savaria Somsak Actor Jessica Jann Gamon Actor Gary Wood US Marshall Actor Nicolas Van Varenberg Travis Actor Ronaldinho Gaúcho Ronald Actor Rico Verhoeven Moss Actor Wanderlei Silva Chud Actor Maurício Shogun Self Renato Sobral Self Frankie Edgar Self Renzo Gracie Self Jim McGrath Screenwriter Robert Hickman Producer Jay Strommen Executive Producer Larry Nealy Executive Producer Gerardo Madrazo Cinematographer Christopher Robin Bell Film Editing Daniel McDonald Film Editing Adam Dorn Original Music Toey Jaruvaateekul Production Design Terri Middleton Costume Design Thitiya Tongbai Casting Dean E. Fronk Casting Donald Paul Pemrick Casting