Jack Black Professor Sheldon 'Shelly' Oberon
Dwayne Johnson Producer, Dr. Smolder Bravestone
Kevin Hart Franklin 'Mouse' Finbar
Karen Gillan Ruby Roundhouse
Colin Hanks Alex
Danny Glover Milo
Madison Iseman Bethany
Awkwafina Ming
Danny DeVito Eddie
Rhys Darby Nigel Billingsley
Marin Hinkle Spencer's Mom
Nick Jonas Jefferson 'Seaplane' McDonough
Alex Wolff Spencer Gilpin
Ashley Scott Ashley (uncredited)
Dania Ramirez Lady in Red
Lamorne Morris Heater Repair Guy
Bebe Neuwirth Nora
Rory McCann Jurgen the Brutal
John Ross Bowie Cavendish
Scott Rosenberg Writer, Executive Producer
Morgan Turner Martha Kaply
Jake Kasdan Writer, Director, Producer
Deobia Oparei Elevator Guard
Ser'Darius Blain Anthony 'Fridge' Johnson
Jeff Pinkner Writer, Executive Producer
Jeanne McCarthy Casting Director
Matt Berberi Stunts
Alyma Dorsey Stunts
Henry Jackman Original Music Composer
Hiram Garcia Producer
Vince Pisani Pharmacy Manager
Allan Henry Stunts
Nicole Abellera Hallman Casting Director
Craig Henningsen Stunts
Michael Beasley Coach Davis (uncredited)
Nick Gomez Oasis Drunk
Matt Tolmach Producer
Massi Furlan Switchblade
Louise Mingenbach Costume Design
Mark Helfrich Editor
Dorothy Steel Village Elder
Theo Kypri Stunts
Adrian Hein Stunts
Dany Garcia Producer
Ted Field Executive Producer
Shawnna Thibodeau Stunts
Rob Mars Stunts
Lucy Cork Stunt Double
Chuck Michael Sound Designer
Madison Johnson Little Bethany Vreeke
Tanoai Reed Stunt Double
Vanessa Cater Red Headed Marauder (uncredited), Stunts
Lucy DeVito Maiden
Tad Griffith Stunts
Danny Le Boyer Stunts
Paul Story Animation Supervisor
Wolfgang Stegemann Fight Choreographer
Wade Eastwood Second Unit Director, Stunt Coordinator
J.J. Dashnaw Stunts
Tom McComas Stunts
Charles Green Bartender (uncredited)
Dean Elliott Lead Animator
Geoffrey Haley Steadicam Operator
Bruno Rose NY Dorm Guy (uncredited)
Bill Brzeski Production Design
Derek Russo Key Master
Myles Humphus Stunt Double
Chris Van Allsburg Book, Executive Producer
Jennifer Patino Bravestone's Mother
Riley Flanagan Key Set Production Assistant
Jess King Stunts
Rafael E. Sánchez Gaffer