Jim Carrey as Carl Allen

Zooey Deschanel as Renee Allison

Bradley Cooper as Peter

John Michael Higgins as Nick

Rhys Darby as Norman

Danny Masterson as Rooney

Fionnula Flanagan as Tillie

Terence Stamp as Terence

Sasha Alexander as Lucy

Molly Sims as Stephanie

Brent Briscoe as Homeless Guy

Rocky Carroll as Wes

John Cothran as Tweed

Spencer Garrett as Multack

Luis Guzmán as Jumper

Kai Lennox as Flyer Guy

Cecelia Antoinette as Woman Bank Employee

Stephanie Hodge as Ticket Lady

Jamie Denbo as Marv's Wife

Rebecca Corry as Yes Patron

Anna Khaja as Faranoush

Roni Meron as Bigfoot Waitress

Heidi Herschbach as Daphne

Vivian Bang as Soo-Mi

Kat Sawyer-Young as Woman in Gallery

Sean O'Bryan as Ted

Shelby Zemanek as Sophie

Patrick Labyorteaux as Marv

Alfred De Contreras as Orange Seller

Peter Giles as Loan Applicant

Whit Anderson as Yes Patron

Pride Grinn as Yes Patron

Kerry Hoyt as Yes Patron

Maile Flanagan as Janet

Graham Shiels as Scary Boyfriend

Brandon Walter as Mormon

Emily Chen as Buttercup Girl

Ashley Martinez as Buttercup Girl

Kenny Searle as Flight Instructor

John H. Song as Korean Instructor

Lauren Kim as Korean Class Student

Mike Gomez as Father at Homeless Shelter

E.J. Callahan as Farmer

Kelly Harris as Munchausen By Proxy Band Member

Becky Kupersmith as Munchausen By Proxy Band Member

Jillian Iva Meador as Munchausen By Proxy Band Member

Jarrad Paul as Reggie

Aaron Takahashi as Lee

Jon Baggio as Quidditch Player

Peter Spellos as Security Guard (Hollywood Bowl)

William Will Simm as Chul-Soo

Jackie Harris Greenberg as Bystander

Trent Minx as Guy in Crowd

Sally Stevens as Singer

Eric Bradley as Singer

Teri Eiko Koide as Singer

Guy Maeda as Singer

John Pagano as Singer

Lisa Long as Airline Representative

Mary-Pat Green as Tour Guide

Matt Miller as Corporate Exec

J.R. Nutt as Caddy

Lance Wesley as Tow Truck Driver

Katsy Chappell as Nurse

Poetri as Security Guard (Hospital)

Trisha Paytas as Convention Goer (uncredited)

Michael Papajohn as Security Guard (uncredited)