Greg Kinnear as Richard Hoover

Toni Collette as Sheryl Hoover

Steve Carell as Frank Ginsberg

Paul Dano as Dwayne Hoover

Abigail Breslin as Olive Hoover

Alan Arkin as Edwin Hoover

Bryan Cranston as Stan Grossman

Beth Grant as Nancy Jenkins

Wallace Langham as Kirby

Matt Winston as Pageant MC

Julio Oscar Mechoso as Mechanic

Marc Turtletaub as Doctor #1

Jill Talley as Cindy

Brenda Canela as Diner Waitress

Chuck Loring as Convience Store Proprietor

Justin Shilton as Josh

Gordon Thomson as Larry Sugarman

Steven Christopher Parker as Teen Boy #1

John Walcutt as Doctor #2

Paula Newsome as Linda

Dean Norris as State Trooper McCleary

Lauren Shiohama as Miss California

Mary Lynn Rajskub as Pageant Assistant Pam

Jerry Giles as Funeral Home Worker

Geoff Meed as Biker Dad

Joan Scheckel as Judge

Mel Rodriguez as Officer Martinez

Casandra Ashe as Girl in Hallway

Alexandria Alaman as Pageant Contestant

Alissa Anderegg as Pageant Contestant

Brittany Baird as Pageant Contestant

Cambria Baird as Pageant Contestant

Brenae Bandy as Pageant Contestant

Kristen Holaas as Pageant Contestant

Maliah Hudson as Pageant Contestant

Destry Jacobs as Pageant Contestant

Lindsey Jordan as Pageant Contestant

Shane Murphy as Pageant Contestant

Annabelle Roberts as Pageant Contestant

Sydni Stevenson-Love as Pageant Contestant

Nicole Stoehr as Pageant Contestant

Lauren Yee as Pageant Contestant

Terry Bolo as Pageant Worker (uncredited)

George W. Bush as Self (archive footage) (uncredited)