Tina Fey

Kate

Amy Poehler

Angie

Sigourney Weaver

Chaffee Bicknell

Greg Kinnear

Rob

Dax Shepard

Carl

Romany Malco

Oscar

Steve Martin

Barry

Maura Tierney

Caroline

Stephen Mailer

Dan

Holland Taylor

Rose

James Rebhorn

Judge

Denis O'Hare

Dr. Manheim

Kevin Collins

Architect, Rick

Will Forte

Scott

Fred Armisen

Stroller Salesman

John Hodgman

Fertility Specialist

Siobhan Fallon Hogan

Birthing Teacher

Tom McCarthy

Kate's Date