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