Jesse Eisenberg
Walt Berkman
Jeff Daniels
Bernard Berkman
Owen Kline
Frank Berkman
Laura Linney
Joan Berkman
Halley Feiffer
Sophie Greenberg
Anna Paquin
Lili
William Baldwin
Ivan
Elizabeth Meriwether
Graduate Student
Adam Rose
Otto
Eli Gelb
Jeffrey
Michael Santiago
Talent Show Judge
Peggy Gormley
Mrs. Greenberg
Peter Newman
Mr. Greenberg
Greta Kline
Greta Greenberg
Michael Countryman
Mr. Simic
Alexandra Daddario
Pretty Girl
Maryann Plunkett
Ms. Lemon
Ken Leung
School Therapist
Jo Yang
Nurse
Andrew Kaempfer
Valet (uncredited)
Britta Phillips
Talent Show Audience Member (uncredited)
Dean Wareham
Talent Show Audience Member (uncredited)
David Benger
Carl
Molly Barton
Graduate Student
Bo Berkman
Graduate Student
Matthew Kaplan
Graduate Student
Simon Kaplan
Graduate Student
Matthew Kirsch
Graduate Student
Daniella Markowicz
Graduate Student
Ben Schrank
Graduate Student
Amy Srebnick
Graduate Student
Josh Srebnick
Graduate Student
Emma Straub
Graduate Student
Alan Wilkis
Graduate Student
James Hamilton
Man with Joan
Henry Glovinsky
Lance
Wayne Lawson
Talent Show Judge
Juan Torriente
Talent Show Judge
Patricia Towers
Talent Show Judge
Melissa Meyer
Professor
Benjamin Smolen
Student with Puppets
Nico Baumbach
Jeb Gelber
Hector Otero
Hector
Jonathan Baumbach
Man Outside Ms. Lemon's Office (uncredited)
Bobby Shue
Student (uncredited)
