Adam Scott

Character: Carter Spencer

Richard Jenkins

Character: Hugh

Catherine O'Hara

Character: Melissa

Amy Poehler

Character: Sondra

Mary Elizabeth Winstead

Character: Lauren Stinger

Clark Duke

Character: Trey

Ken Howard

Character: Gary

Valerie Tian

Character: Kieko

Jessica Alba

Character: Michelle

Jane Lynch

Character: Dr. Judith

Adam Pally

Character: Mark

Vickie Eng

Character: Mrs. Kobayashi

Trevor Scott Standish

Character: Young Carter (as Trevor Standish)

Greyson Chadwick

Character: Crying Waitress (uncredited)

Sarah Burns

Character: Margo

Jamie Renell

Character: Tyler

Valerie Payton

Character: Etta

Gavin Luckett

Character: Emily

Vince Canlas

Character: Mr. Kobayashi

Mark Oliver

Character: Mr. Stringer

Todd Denson

Character: Maitre d'

Brian Kurlander

Character: David

Sarah Vowell

Character: Lorraine

Steve Coulter

Character: Charles

David Kronawitter

Character: Lawyer

Leland L. Jones

Character: Fire Chief

Claire Bronson

Character: Cynthia

Andrea Moore

Character: Coat Check Girl

Trevor Scott Standish

Character: Young Carter

Frank Roberts

Character: Jewelry Shop Owner

Gregory Bromfield

Character: Waiter (uncredited)

Michael H. Cole

Character: Ted (uncredited)

Niki Davis

Character: Birthday Party Mom (uncredited)

Michelle Flanagan-Helmeczy

Character: Bar Patron (uncredited)

Liana Loggins

Character: Restaurant Patron (uncredited)

Kacie Jo Marta Nickles

Character: Yoga / kick boxer (uncredited)