Toni Collette
Annie Graham
Gabriel Byrne
Steve Graham
Milly Shapiro
Charlie Graham
Christy Summerhays
Charlie's Teacher
Jarrod Phillips
Group Leader
Heidi Mendez
Spanish Speaking Woman
Zachary Arthur
Boy in Room
Moises L. Tovar
Translator
Gabriel Monroe Eckert
Stoner #2
Pat Barnett Carr
Ellen Taper Leigh (uncredited)
Ari Aster
Archer Gallery Representative (voice) (uncredited)
Marilyn Miller
Woman in the Tree (uncredited)
Mark Blockovich
Support Group Member (uncredited)
Rachelle Hardy
Cult Member (uncredited)
Jason Miyagi
High School Partier (uncredited)
Lorenzo Silva
Skater Boy (uncredited)
Alexis Long
Cake Girl (uncredited)
