All Cast

Owen Wilson

Owen Wilson

John Beckwith

Vince Vaughn

Vince Vaughn

Jeremy Grey

Christopher Walken

Christopher Walken

Secretary William Cleary

Rachel McAdams

Rachel McAdams

Claire Cleary

Isla Fisher

Isla Fisher

Gloria Cleary

Jane Seymour

Jane Seymour

Kathleen Cleary

Ellen Albertini Dow

Ellen Albertini Dow

Grandma Mary Cleary

Keir O'Donnell

Keir O'Donnell

Todd Cleary

Bradley Cooper

Bradley Cooper

Zachary 'Sack' Lodge

Ron Canada

Ron Canada

Randolph

Henry Gibson

Henry Gibson

Father O'Neil

Dwight Yoakam

Dwight Yoakam

Mr. Kroeger

Rebecca De Mornay

Rebecca De Mornay

Mrs. Kroeger

David Conrad

David Conrad

Trap

Jennifer Alden

Jennifer Alden

Christina Cleary

Geoff Stults

Geoff Stults

Craig Garthe

Diora Baird

Diora Baird

Vivian

Kathryn Joosten

Kathryn Joosten

Chazz's Mom

Naureen Zaim

Naureen Zaim

Hindu Woman

Norma Michaels

Norma Michaels

Old Irish Woman

James Carville

James Carville

Himself (uncredited)

Will Ferrell

Will Ferrell

Chazz Reinhold (uncredited)

John McCain

John McCain

Himself (uncredited)

Lindsay Schoneweis

Lindsay Schoneweis

Woman in Hat (uncredited)

Kelsey Wedeen

Kelsey Wedeen

Bridesmaid (uncredited)

Rachel Sterling

Rachel Sterling

Brunette

Camille Anderson

Camille Anderson

Camille

Ivana Bozilovic

Ivana Bozilovic

Ivana

Tanaya Nicole

Tanaya Nicole

Woman at Jewish Reception