Jessica Alba Self (uncredited)
Seth Rogen Ben Stone, Executive Producer
Steve Carell Self (uncredited)
Eva Mendes Self (uncredited)
Leslie Mann Debbie
Dax Shepard Self (uncredited)
Paul Rudd Pete
Jonah Hill Jonah
James Franco Self (uncredited)
Bill Hader Brent
Andy Dick Self (uncredited)
Clayton Townsend Producer, Unit Production Manager
Brianna Brown Alison's Friend
Kristen Wiig Jill
Joanna Kerns Alison's Mom
Pauletta O. Lewis Hairstylist
Alan Tudyk Jack
Judd Apatow Director, Screenplay, Producer
Carla Lewis Extras Casting
Catherine Reitman Alison's Friend
Harold Ramis Ben's Dad
Ken Jeong Dr. Kuni
Katherine Heigl Alison Scott
Adam Scott Samuel
Charlyne Yi Jodi
Jay Baruchel Jay
Martin Starr Martin
Craig Robinson Club Doorman
Nautica Thorn Lap Dancer
Tami Sagher Wardrobe Lady
Nick Thune Alison's Friend
Paul Feig Fantasy Baseball Guy
Iris Apatow Charlotte
Eric Roberts Video Assist Operator
Andy Malcolm Foley Artist
Maude Apatow Sadie
Wendy Hoffmann ADR Voice Casting
Mo Collins Female Doctor
B. J. Novak Young Doctor
Terry Miller Construction Foreman
Scott Millan Sound Re-Recording Mixer
Peter Geraghty Second Assistant Camera
Gary Burritt Negative Cutter
Evan Goldberg Executive Producer
Paul Tilden Second Assistant Camera
Caoimhe Doyle Foley Artist
Colin Patton Assistant Editor
Wayne Federman Fantasy Baseball Guy
Greg Steele ADR Mixer
Adam Kirby Set Dresser
Jason Segel Jason
Tim Bagley Dr. Pellagrino
J.P. Manoux Dr. Angelo
Craig Alpert Editor
Rebecca Asher Script Supervisor
Eric Leach Grip
Allison Jones Casting
Sean Mannion Property Master
Dorian Frankel Casting Assistant
Goro Koyama Foley Artist
Loudon Wainwright III Original Music Composer, Dr. Howard
Jody Hart Stunt Driver
Shauna Robertson Producer
Lisa Rodgers Post Production Supervisor
Corina C. Duran-Rabichuk Makeup Artist
Marc Wostak Electrician
David Parker Sound Re-Recording Mixer
Jonathan Karp Music Editor, Music Supervisor
Jay M. Huntoon Video Assist Operator
Debra McGuire Costume Design
Bill 'Kauhane' Hoyt Standby Painter
Anthony Lattanzio Construction Coordinator