Amy Adams as Rose Lorkowski

Emily Blunt as Norah Lorkowski

Steve Zahn as Mac

Alan Arkin as Joe Lorkowski

Clifton Collins Jr. as Winston

Eric Christian Olsen as Randy

Kevin Chapman as Carl Swanson

Jason Spevack as Oscar Lorkowski

Mary Lynn Rajskub as Lynn

Paul Dooley as Sherm

Judith Jones as Paula Datzman-Mead

Amy Redford as Heather

Susie Yip as Mrs. Kim

Lois Geary as Mrs. Davis

McKenna Hutton as Young Rose

Mason Frank as Young Norah

Amber Midthunder as Candy Store Girl

Angelique Midthunder as Girl's Mother

Vic Browder as Gun Shop Owner

Ivan Brutsche as Above and Beyond Worker

Kathy Lamkin as Fair N Square Owner (uncredited)