Brett Ratner Director, Producer Dwayne Johnson Hercules Actor Ian McShane Amphiaraus Actor Rufus Sewell Autolycus Actor Aksel Hennie Tydeus Actor Ingrid Bolsø Berdal Atalanta Actor Reece Ritchie Iolaus Actor Tobias Santelmann Rhesus Actor Joseph Fiennes King Eurystheus Actor Peter Mullan Sitacles Actor John Hurt Cotys Actor Rebecca Ferguson Ergenia Actor Irina Shayk Megara Actor Ryan Condal Screenwriter Evan Spiliotopoulos Screenwriter Beau Flynn Producer Barry Levine Producer Peter Berg Executive Producer Sarah Aubrey Executive Producer Ross Fanger Executive Producer Jesse Berger Executive Producer Dante Spinotti Cinematographer Mark Helfrich Film Editing Julia Wong Film Editing Jean-Vincent Puzos Production Design Jany Temime Costume Design Fernando Velázquez Original Music Jason Knox-Johnston Supervising Art Direction Robert Cowper Art Director Tom Still Art Director Bence Erdelyi Art Director Hayley Easton Street Art Director Tina Jones Set Decoration Zsolt Csutak Casting Cathy Sandrich Casting Amanda Mackey Casting Lucinda Syson Casting