Jack Black Professor Sheldon 'Shelly' Oberon
Dwayne Johnson Producer, Dr. Smolder Bravestone
Kevin Hart Franklin 'Mouse' Finbar
Danny DeVito Eddie
Karen Gillan Ruby Roundhouse
Awkwafina Ming
Andrew Max Cahn Supervising Art Director
Danny Glover Milo
John Ross Bowie Cavendish
Danny Le Boyer Stunts
Marin Hinkle Spencer's Mom
Colin Hanks Alex
Lamorne Morris Heater Repair Guy
Kristina M. Peterson Second Second Assistant Director
Nick Jonas Jefferson 'Seaplane' McDonough
Alex Wolff Spencer Gilpin
Rhys Darby Nigel Billingsley
Bebe Neuwirth Nora
Ser'Darius Blain Anthony 'Fridge' Johnson
David B. Householter Executive Producer
Madison Iseman Bethany
Randy James Beckman Stunts
Ashley Scott Ashley (uncredited)
Michael Hansen Stunts
James William Ballard Bad Guy in Fortress (uncredited)
David Conk Stunts
Samuel J. Paul Stunt Double
Dania Ramirez Lady in Red
Rory McCann Jurgen the Brutal
Chris Van Allsburg Book, Executive Producer
Scott Rosenberg Writer, Executive Producer
Wainani Young-Tomich First Assistant Director
Tanoai Reed Stunt Double
Jake Kasdan Writer, Director, Producer
Jeff Pinkner Writer, Executive Producer
Geoffrey Haley Steadicam Operator
Jeanne McCarthy Casting Director
Vince Pisani Pharmacy Manager
Rob Mars Stunts
Allan Henry Stunts
Lucy DeVito Maiden
Nick Gomez Oasis Drunk
Shawnna Thibodeau Stunts
Deobia Oparei Elevator Guard
Tom McComas Stunts
J.J. Dashnaw Stunts
Lucy Cork Stunt Double
Dave Van Zeyl Stunts
Morgan Turner Martha Kaply
Vanessa Cater Red Headed Marauder (uncredited), Stunts
Matt Berberi Stunts
Madison Johnson Little Bethany Vreeke
Jess King Stunts
Rafael E. Sánchez Gaffer
Theo Kypri Stunts
Charles Green Bartender (uncredited)
Wade Eastwood Second Unit Director, Stunt Coordinator
Roel Failma Stunts
Nicole Abellera Hallman Casting Director
Shawn D. Bronson Art Direction Intern
Alyma Dorsey Stunts
Mark Helfrich Editor
Matt Rebenkoff First Assistant Director
Dany Garcia Producer
Michael Beasley Coach Davis (uncredited)
Derek Russo Key Master
Bill Brzeski Production Design
Brice Liesveld Visual Effects Producer
Henry Jackman Original Music Composer
Thomas Joseph Culler Stunts
Stella Vaccaro Art Direction
Isaac Hamon Stunt Coordinator