Owen Wilson

John Beckwith

Acting

Vince Vaughn

Jeremy Grey

Acting

Christopher Walken

Secretary Cleary

Acting

Rachel McAdams

Claire Cleary

Acting

Isla Fisher

Gloria Cleary

Acting

Jane Seymour

Kathleen Cleary

Acting

Ellen Albertini Dow

Grandma Mary Cleary

Acting

Keir O'Donnell

Todd Cleary

Acting

Bradley Cooper

Sack Lodge

Acting

Ron Canada

Randolph

Acting

Henry Gibson

Father O'Neil

Acting

Dwight Yoakam

Mr. Kroeger

Acting

Rebecca De Mornay

Mrs. Kroeger

Acting

David Conrad

Trap

Acting

Jennifer Alden

Christina Cleary

Acting

Geoff Stults

Craig

Acting

James McDonnell

Attorney

Acting

Jesse Henecke

Attorney

Acting

Lou Cutell

Old Jewish Man

Acting

Sparkle

Old Jewish Woman

Acting

Frank Ray Perilli

Old Italian Man

Writing

Patricia Place

Old Italian Woman

Acting

Chao-Li Chi

Old Chinese Man

Acting

Norma Michaels

Old Irish Woman

Acting

Noel De Souza

Old Indian Man

Acting

Ivana Bozilovic

Ivana

Acting

Camille Anderson

Camille

Acting

Rachel Sterling

Brunette

Acting

Diora Baird

Vivian

Acting

Ned Schmidtke

Frank Meyers

Acting

Jennifer Massey

Woman

Acting

Dylan James Turner

Bratty Kid

Acting

Sophia Blouin

Flower Girl

Acting

Stephen J. Downs

Franklin

Acting

Larry Joe Campbell

Best Man

Acting

Mark Duane Anderson

Secret Service Agent

Acting

Irene Roseen

Elderly Woman

Acting

Jules Mandel

Rabbi

Acting

Betsy Ames

Betty

Acting

Carson Elrod

Flip

Acting

Joshua Wheeler

Kip

Acting

John G. Pavelec

Ken

Acting

Charles Kahlenberg

Priest

Acting

Kathryn Joosten

Chazz's Mom

Acting

Karen Miller

Chazz's Girlfriend

Acting

Tanaya Nicole

Woman at Jewish Reception

Acting

Naureen Zaim

Hindu Woman

Acting

Cindy Taylor

Girl at Irish Wedding

Acting

Melanie Hawkins

Girl Who Cries

Acting

Summer Altice

Girl Who Cries

Acting

Lisa Beach

Wedding Planner

Production

Lovelynn Vanderhorst

Wedding Planner

Costume & Make-Up

Phyllis Samhaber

Woman at Table

Acting

O.J. Watson

Man at Table

Acting

Al Cerullo

Helicopter Pilot

Crew

Will Ferrell

Chazz Reinhold (uncredited)

Acting

James Carville

James Carville (uncredited)

Acting

John McCain

John McCain (uncredited)

Acting

Lindsay Schoneweis

Woman in Hat (uncredited)

Acting

Kelsey Wedeen

Bridesmaid (uncredited)

Acting

Brian T. Lynch

Funeral Mourner (uncredited)

Acting