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