Overview
Likeable 6th grader Liam writes to Santa asking him to prove that he's real. But Liam is dyslexic and accidentally sends his letter to Satan instead, who shows up at Liam's house, excited to have his first fanboy letter and wanting a little of Liam's soul.
Cast
Jack Black
Satan
Robert Timothy Smith
Liam Turner
Keegan-Michael Key
Dr. Finkleman
Brianne Howey
Molly Turner
Hayes MacArthur
Bill Turner
P.J. Byrne
Mr. Charles
Jaden Carson Baker
Gibby
Kai Cech
Emma
Post Malone
Post Malone
Gavin Munn
Aidan
Cate Freedman
Crossing Guard
Ben Stiller
Lucifer (uncredited)
Kyle Gass
Science Teacher
Lee Reyes
Lee
Bash Hagelin
Joey
Bryson Dean Haney
Grayson
Lindsay Rootare
Technician
Luke Chiappetta
Jock
Greg Clarkson
Male Newscaster
Maiya Moran
Female Newscaster
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