Anton Yelchin
Charlie Bartlett
Robert Downey Jr.
Nathan Gardner
Hope Davis
Marilyn Bartlett
Kat Dennings
Susan Gardner
Tyler Hilton
Murphy Bivens
Mark Rendall
Kip Crombwell
Dylan Taylor
Len Arbuckle
Megan Park
Whitney Drummond
Jonathan Malen
Jordan Sunder
Stephen Young
Dr. Stan Weathers
Ishan Davé
Henry Freemont
Dave Brown
Officer Hansen
Eric Fink
Thomas
Noam Jenkins
Dean West
Lauren Collins
Kelly
Annick Obonsawin
Daisy
Sarah Gadon
Priscilla
Drake
A/V Jones
Michael D'Ascenzo
Scott
Dwayne McLean
Bus Driver
Quancetia Hamilton
Mrs. Albertson
Richard Alan Campbell
Dr. Sam Costell
Kim Roberts
Dr. Linda Jenkins
David Fraser
Dr. Jacob Kaufmann
Marvin Karon
Dr. P. Sarossy
Abigail Bernardez
Cheerleader #1
Laura Jeanes
Cheerleader #2
Annamaria Janice McAndrew
Cheerleader #3
Amelia Tenttave
Len's Girlfriend #1
Annabelle Singson
Len's Girlfriend #2
Julia Cohen
Receptionist
Abby Zotz
Kip's Mom
Maddy Wilde
Spiral Beach Band Member
Dorian Wolf
Spiral Beach Band Member
Airick Woodhead
Spiral Beach Band Member
Daniel Woodhead
Spiral Beach Band Member
Jake Epstein
Dustin Lauderbach
Brendan Murray
Dorm Head
Derek McGrath
Superintendent Sedgwick