Paul Rudd Pete
Jessica Alba Self (uncredited)
James Franco Sol (uncredited)
Eva Mendes Self (uncredited)
Steve Carell Self (uncredited)
Seth Rogen Ben Stone, Executive Producer
Katherine Heigl Alison Scott
Jonah Hill Jonah
Bill Hader Brent
Leslie Mann Debbie
Martin Starr Martin
Alan Tudyk Jack
Kristen Wiig Jill
Brianna Brown Alison's Friend
Jason Segel Jason
Jay Baruchel Jay
Adam Scott Samuel
Ken Jeong Dr. Kuni
Dax Shepard Self (uncredited)
Lo Mutuc Jodi
Andy Dick Self (uncredited)
Craig Robinson Club Doorman
Judd Apatow Director, Writer, Producer
Tim Bagley Dr. Pellagrino
Iris Apatow Charlotte
Evan Goldberg Executive Producer
Catherine Reitman Alison's Friend
Harold Ramis Ben's Dad
Maude Apatow Sadie
Paul Feig Fantasy Baseball Guy
B.J. Novak Young Doctor
Mo Collins Female Doctor
Joanna Kerns Alison's Mom
Ryan Seacrest Self (uncredited)
J.P. Manoux Dr. Angelo
Lil' Kim Songs
Clayton Townsend Unit Production Manager, Producer
Nick Thune Alison's Friend
Steven Brill Ben's Boss
Gary Burritt Negative Cutter
Clinton Wayne Prosthetic Makeup Artist
Tami Sagher Wardrobe Lady
Courtenay Miles Second Assistant Director
Allison Jones Casting
Debra McGuire Costume Design
Matt Leonard Stunts
Ann Pala Key Makeup Artist, Makeup Artist
Andy Malcolm Foley Artist
Rebecca Asher Script Supervisor
Jesse Heiman Stand In
Dorian Frankel Casting Assistant
Loudon Wainwright III Dr. Howard, Original Music Composer
Matthew W. Mungle Prosthetic Designer, Prosthetic Makeup Artist
Gary A. Williams Dolly Grip
Ana Mercedes Maria
Corina C. Duran-Rabichuk Makeup Artist
Wendy Hoffmann ADR Voice Casting
David Parker Sound Re-Recording Mixer
Caoimhe Doyle Foley Artist
Chris L. Spellman Set Decoration
Shauna Robertson Producer
Wayne Federman Fantasy Baseball Guy
Eric Leach Grip
Brent White Editor
Kathy Nelson Executive Music Producer
Scott Millan Sound Re-Recording Mixer
Charlotte Parker Hairstylist
Ericka Bryce Set Medic
Melinda Bennett Dr. Pellagrino's Nurse
Matt Sweeney Special Effects Supervisor
Chase Fein Production Assistant
David B. Nowell Aerial Director of Photography