Kate Holbrook

Tina Fey

Angie Ostrowiski

Amy Poehler

Rob

Greg Kinnear

Carl Loomis

Dax Shepard

Oscar

Romany Malco

Chaffee Bicknell

Sigourney Weaver

Barry

Steve Martin

Caroline

Maura Tierney

Rose

Holland Taylor

Dan

Stephen Mailer

Scott

Will Forte

Judge

James Rebhorn

Stroller Salesman

Fred Armisen

Dr. Manheim

Denis O'Hare

Architect/Rick

Kevin Collins

Birthing Teacher

Siobhan Fallon Hogan

Dave

Brian Stack

Fertility Specialist

John Hodgman

Rob's Daughter

Alice Kremelberg

Kate's Date

Tom McCarthy

1/2 of Gay Couple

Jason Mantzoukas

Community Member

Frank Rodriguez

1/2 of Gay Couple

Dave Finkel

Ashley/Wiccan

Felicity Stiverson

Bookstore Clerk

Anne L. Nathan

Boo-Boo Buster

Jay Phillips

Cool Mom

Kathy Searle

Maternity Nurse

Almeria Campbell

Vegan Waiter

Jon Glaser

Caroline's 4-Year-Old

Catherine Rose

Yoga Mom

Erica Berg

Caroline's 7-Year-Old

Ian Colletti

Community Member

Eric Zuckerman

Community Member

Diane Cheng

Bailiff (uncredited)

Curt Carlson

Irish Tourist (uncredited)

Jeffrey Mowery