Robert Timothy Smith
Liam Turner
Keegan-Michael Key
Dr. Finkleman
Brianne Howey
Molly Turner
Hayes MacArthur
Bill Turner
Cate Freedman
Crossing Guard
Ben Stiller
Lucifer (uncredited)
Lindsay Rootare
Technician
Greg Clarkson
Male Newscaster
Maiya Moran
Female Newscaster
Tierre Turner
Blitzen (voice)
Carole Kaboya
Little Kid’s Mom
Travon McEntyre
Male Nurse
Selah Kimbro Jones
Attractive Girl