Dr. Smolder Bravestone

Dwayne Johnson

Acting

Franklin 'Mouse' Finbar

Kevin Hart

Acting

Professor Sheldon 'Shelly' Oberon

Jack Black

Acting

Ruby Roundhouse

Karen Gillan

Acting

Nigel Billingsley

Rhys Darby

Acting

Van Pelt

Bobby Cannavale

Acting

Jefferson 'Seaplane' McDonough

Nick Jonas

Acting

Spencer Gilpin

Alex Wolff

Acting

Anthony 'Fridge' Johnson

Ser'Darius Blain

Acting

Bethany Walker

Madison Iseman

Acting

Martha Kaply

Morgan Turner

Acting

Jogger

Sean Buxton

Acting

Gamer

Mason Guccione

Acting

Spencer's Mom

Marin Hinkle

Acting

Fridge's Mom

Tracey Bonner

Acting

Girl in Car

Najah Jackson

Acting

Bethany's Mom

Natasha Charles Parker

Acting

Lucinda

Kat Altman

Acting

Teacher

Maribeth Monroe

Acting

Coach Webb

Missi Pyle

Acting

Fussfeld

Michael Shacket

Acting

Male Gym Teacher

Jamie Renell

Acting

Principal Bentley

Marc Evan Jackson

Acting

Miss Mathers

Carlease Burke

Acting

Bivouac Biker

Jason New

Acting

Kid at Bazaar

Rohan Chand

Acting

Bread Vendor

William Tokarsky

Acting

Scorpion Recipient

Tait Fletcher

Acting

Transportation Shed Guard

Stephen Dunlevy

Acting

Transportation Shed Guard

Rob Mars

Crew

Alex Vreeke (uncredited)

Colin Hanks

Acting

Alex's Wife (uncredited)

Virginia Newcomb

Acting

Jogger's Wife (uncredited)

Sylvia Jefferies

Acting

High School Student (uncredited)

Daniel Salyers

Acting

Old Man Vreeke (uncredited)

Tim Matheson

Acting

Skater Punk (uncredited)

Tad Sallee

Acting

Boy #1 (uncredited)

Ryan Baughman

Acting

Kid #2 (uncredited)

Maddie Nichols

Acting

Kid #3 (uncredited)

Ashley Lonardo

Acting

Amazon Warrior (uncredited)

Friday Chamberlain

Acting

Gypsy Cowboy (uncredited)

Ted Williams

Acting

The Spy (uncredited)

Juan Gaspard

Acting

Van Pelt's Henchman (uncredited)

Scott Hunter

Crew

Cute Bazaar Kid (uncredited)

Maiya Boyd

Acting

Berber Lady (uncredited)

Natasha Mayet

Acting

Bazaar Vendor (uncredited)

Danny Pardo

Acting