Dwayne Johnson (Spencer), Jack Black (Bethany), Kevin Hart (Fridge), Karen Gillan (Martha), Nick Jonas (Alex), Bobby Cannavale (Van Pelt), Ser'Darius Blain (Young Fridge) more..., Madison Iseman (Young Bethany), Morgan Turner (Young Martha), Alex Wolff (Young Spencer), Rhys Darby (Nigel), Sean Buxton (Jogger), Mason Guccione (Gamer), Marin Hinkle (Spencer's Mom), Tracey Bonner (Fridge's Mom), Najah Jackson (Girl in Car), Natasha Charles Parker (Bethany's Mom), Kat Altman (Lucinda), Maribeth Monroe (Teacher), Missi Pyle (Coach Webb), Michael Shacket (Fussfeld), Jamie Renell (Male Gym Teacher), Marc Evan Jackson (Principal Bentley), Carlease Burke (Miss Mathers), Jason New (Bivouac Biker), William Tokarsky (Bread Vendor), Rohan Chand (Kid at Bazaar), Tait Fletcher (Scorpion Recipient), Stephen Dunlevy (Transportation Shed Guard), Rob Mars (Transportation Shed Guard), John Archer Lundgren (Knife Vendor (uncredited)), Darian Baker (High School Jock (uncredited)), Ryan Baughman (Boy #1 (uncredited)), Na Bil (Bazar kid (uncredited)), Maiya Boyd (Cute Bazar Kid (uncredited)), Ruby Bustamante (High School Student (uncredited)), Friday Chamberlain (Amazon Warrior (uncredited)), Jeffery Clarke (Bazaar Patron (uncredited)), Sarah Fawaz (Eccentric Woman (uncredited)), Martin Feigen (Neighbor (uncredited)) and others.

William Teitler (Producer), Matt Tolmach (Producer), Melvin Mar (Co-Producer), Hiram Garcia (Co-Producer), Ted Field (Executive Producer), Dany Garcia (Executive Producer), David B. Householter (Executive Producer) more..., Dwayne Johnson (Executive Producer), Jake Kasdan (Executive Producer), Mike Weber (Executive Producer), Henry Jackman (Original Music Composer), Gyula Pados (Director of Photography), Chris McKenna (Screenplay), Erik Sommers (Screenplay), Scott Rosenberg (Screenplay), Jeff Pinkner (Screenplay), Chris McKenna (Screenstory), Chris van Allsburg (Book), Greg Taylor (Original Story), Steve Edwards (Editor), Mark Helfrich (Editor), Nicole Abellera (Casting), Jeanne McCarthy (Casting), Owen Paterson (Production Design), Steve Cooper (Art Direction), Hugo Santiago (Art Direction), Ronald R. Reiss (Set Decoration), Laura Jean Shannon (Costume Design), Yani Lathouris (Visual Effects), Jerome Chen (Visual Effects Supervisor), Paul Schneider (Second Assistant Director), Stella Vaccaro (Set Designer), David B. Householter (Unit Production Manager), Jussi Tegelman (Sound Editor), Basil Grillo (Unit Production Manager), Matt Rebenkoff (First Assistant Director), Gary Hymes (Stunt Coordinator), David Nelson (Visual Effects Supervisor), Julian Slater (Sound Designer), Julian Slater (Supervising Sound Editor) and others.