Ben Stone

Seth Rogen

Alison Scott

Katherine Heigl

Pete

Paul Rudd

Debbie

Leslie Mann

Jason

Jason Segel

Jay

Jay Baruchel

Jonah

Jonah Hill

Martin

Martin Starr

Jodi

Charlyne Yi

Charlotte

Iris Apatow

Sadie

Maude Apatow

Alison's Mom

Joanna Kerns

Ben's Dad

Harold Ramis

Jack

Alan Tudyk

Jill

Kristen Wiig

Brent

Bill Hader

Dr. Kuni

Ken Jeong

Club Doorman

Craig Robinson

Himself

Steve Carell

Dr. Howard

Loudon Wainwright

Dr. Pellagrino

Tim Bagley

Female Doctor

Mo Collins

Dr. Howard's Nurse

Stephanie Mnookin

Young Doctor

B.J. Novak

Male Nurse

Adam Scott

Himself

Ryan Seacrest

Dr. Angelo

J.P. Manoux

Wardrobe Lady

Tami Sagher

Alison's Friend

Brianna Lynn Brown

Alison's Friend

Catherine Reitman

Alison's Friend

Nick Thune

Fantasy Baseball Guy

Paul Feig

Fantasy Baseball Guy

Ben Meyerson

Fantasy Baseball Guy

Wayne Federman

Dr. Pellagrino's Nurse

Melinda Bennett

Club Bartender

Matthew McKane

Ben's Boss

Steven Brill

Maria

Ana Mercedes

Maternity Nurse at Desk

Nadine Griffith

Delivery Nurse

Diane Schaller

Jonah's Girlfriend

Emerson Riley

Jonah's Girlfriend

Emersen Riley

Lap Dancer

Stormy Daniels

Lap Dancer

Nautica Thorn

Real Estate Agent

Mary Brill

Daughter in Waiting Room

Lolita Matrolia

Father in Waiting Room

Joseph T. Mastrolia

Daughter in Waiting Room

Lolita Mastrolia

Lamaze Instructor

Tracy Hartley

Club Bartender

Matt McKane

Record Store Customer

Jeffrey L. Wilson

Himself

James Franco