Ben Stiller
Alex Rose
Drew Barrymore
Nancy Kendricks
Amber Valletta
Céline
Eileen Essell
Mrs. Connelly
Harvey Fierstein
Kenneth
Justin Theroux
Coop
Swoosie Kurtz
Jean
Jackie Sandler
Bartender
Robert Wisdom
Officer Dan
James Remar
Chick
Wallace Shawn
Herman
Maya Rudolph
Tara
Cheryl Klein
Ginger
Christopher Doyle
Tavern Bartender
Tim Maculan
Terrence
Christina Kirk
Mrs. Friedman
John Hamburg
Mr. Friedman
Jenette Goldstein
Moderator
Geraldine Hughes
Receptionist
Christine La Fontaine
Don Piper Fan #1
Joey Banks
Police Officer
Tracey Walter
Pharmacy Customer
Michelle Krusiec
Dr. Kang
Gary Riotto
Drug Dealer
Philip Perlman
Phil
Danny DeVito
Narrator (voice, uncredited)
Evgeniy Lazarev
Mr. Dzerzhinsky
Edward Edwards
Antique Dealer