Josh Futturman
Josh Hutcherson
Diane Futterman
Glenne Headly
Tiger
Eliza Coupe
Tiger
Eliza Coupe
Wolf
Derek Wilson
Gabe Futturman
Ed Begley Jr.
Dr. Stu Camillo
Haley Joel Osment
Doctor Kronish
Keith David
Detective Vincent Skarsgaard
Robert Craighead
Rake
Rati Gupta
Level
Jade Catta-Preta
Thimble
Sara Amini
Lathe
Timothy Hornor
Hatchet
Shaun Brown
Lugnut
Alyvia Alyn Lind
Jeri Elizabeth Lang
Britt Lower
Blaze
Kevin Caliber
Susan
Seth Rogen
Athena / Dr. Hogeveen
Katherine LaNasa
Carl
Jason Scott Jenkins
Pump
Ricky Mabe
Dr. Mina Ahmadi
Artemis Pebdani
Greg Bryan
Patrick Carlyle
Matt Medrano
Lindsay Ames
Ronnie Clark
Jefferson Cox
Ross Crain