Jack Black Professor Sheldon 'Shelly' Oberon
Danny Glover Milo
Karen Gillan Ruby Roundhouse
Dwayne Johnson Dr. Smolder Bravestone, Producer
Danny DeVito Eddie
Colin Hanks Alex
Bebe Neuwirth Nora
Kevin Hart Franklin 'Mouse' Finbar
Ashley Scott Ashley (uncredited)
Awkwafina Ming
Jake Kasdan Director, Producer, Writer
Samuel J. Paul Stunt Double
Madison Iseman Bethany
Charles Green Bartender (uncredited)
Dania Ramirez Lady in Red
John Ross Bowie Cavendish
Alex Wolff Spencer Gilpin
Dave Van Zeyl Stunts
Rory McCann Jurgen the Brutal
Nick Gomez Oasis Drunk
Marin Hinkle Spencer's Mom
Melvin Mar Executive Producer
Lamorne Morris Heater Repair Guy
Joe Ross Stunts
Derek Russo Key Master
Nick Jonas Jefferson 'Seaplane' McDonough
Matt Berberi Stunts
Lucy DeVito Maiden
Tom McComas Stunts
Leslie Simms Cake Lady
Steve Edwards Editor
Deobia Oparei Elevator Guard
Scott Rosenberg Writer, Executive Producer
Hiram Garcia Producer
Alyma Dorsey Stunts
Josh Diogo Stunts
Rhys Darby Nigel Billingsley
Morgan Turner Martha Kaply
Madison Johnson Little Bethany Vreeke
Michael Beasley Coach Davis (uncredited)
Matt Tolmach Producer
Massi Furlan Switchblade
Tanoai Reed Stunt Double
Justin Trudeau Set Designer
Henry Jackman Original Music Composer
Bill Brzeski Production Design
Lucy Cork Stunt Double
Nathan Kimball Second Second Assistant Director
David B. Householter Executive Producer
Rob Mars Stunts
Jeanne McCarthy Casting Director
William Teitler Executive Producer
Jeff Pinkner Writer, Executive Producer
Matt Rebenkoff First Assistant Director
Bruno Rose NY Dorm Guy (uncredited)
Wolfgang Stegemann Fight Choreographer
Ser'Darius Blain Anthony 'Fridge' Johnson
Ted Field Executive Producer
Vanessa Cater Red Headed Marauder (uncredited), Stunts
Stella Vaccaro Art Direction
Vince Pisani Pharmacy Manager
Dany Garcia Producer
Stephane Fiossanangaye Stunts
Jess King Stunts
Myles Humphus Stunt Double
J.J. Dashnaw Stunts
Sky Salem Robinson Associate Producer
Adrian Hein Stunts
Gyula Pados Director of Photography
Tad Griffith Stunts
Chris Van Allsburg Executive Producer, Book
Michael Gowen Art Direction