Character Name : John Beckwith

Original Name : Owen Wilson

Gender : Male

Character Name : Jeremy Grey

Original Name : Vince Vaughn

Gender : Male

Character Name : Secretary Cleary

Original Name : Christopher Walken

Gender : Male

Character Name : Claire Cleary

Original Name : Rachel McAdams

Gender : Female

Character Name : Gloria Cleary

Original Name : Isla Fisher

Gender : Female

Character Name : Kathleen Cleary

Original Name : Jane Seymour

Gender : Female

Character Name : Grandma Mary Cleary

Original Name : Ellen Albertini Dow

Gender : Female

Character Name : Todd Cleary

Original Name : Keir O'Donnell

Gender : Male

Character Name : Sack Lodge

Original Name : Bradley Cooper

Gender : Male

Character Name : Randolph

Original Name : Ron Canada

Gender : Male

Character Name : Father O'Neil

Original Name : Henry Gibson

Gender : Male

Character Name : Mr. Kroeger

Original Name : Dwight Yoakam

Gender : Male

Character Name : Mrs. Kroeger

Original Name : Rebecca De Mornay

Gender : Female

Character Name : Trap

Original Name : David Conrad

Gender : Male

Character Name : Christina Cleary

Original Name : Jennifer Alden

Gender : Female

Character Name : Craig

Original Name : Geoff Stults

Gender : Male

Character Name : Attorney

Original Name : James McDonnell

Gender : Male

Character Name : Attorney

Original Name : Jesse Henecke

Gender : Male

Character Name : Old Jewish Man

Original Name : Lou Cutell

Gender : Male

Character Name : Old Jewish Woman

Original Name : Sparkle

Gender : Male

Character Name : Old Italian Man

Original Name : Frank Ray Perilli

Gender : Male

Character Name : Old Italian Woman

Original Name : Patricia Place

Gender : Female

Character Name : Old Chinese Man

Original Name : Chao-Li Chi

Gender : Male

Character Name : Old Irish Woman

Original Name : Norma Michaels

Gender : Female

Character Name : Old Indian Man

Original Name : Noel De Souza

Gender : Male

Character Name : Ivana

Original Name : Ivana Bozilovic

Gender : Female

Character Name : Camille

Original Name : Camille Anderson

Gender : Female

Character Name : Brunette

Original Name : Rachel Sterling

Gender : Female

Character Name : Vivian

Original Name : Diora Baird

Gender : Female

Character Name : Frank Meyers

Original Name : Ned Schmidtke

Gender : Male

Character Name : Woman

Original Name : Jennifer Massey

Gender : Female

Character Name : Bratty Kid

Original Name : Dylan James Turner

Gender : Male

Character Name : Flower Girl

Original Name : Sophia Blouin

Gender : Male

Character Name : Franklin

Original Name : Stephen J. Downs

Gender : Male

Character Name : Best Man

Original Name : Larry Joe Campbell

Gender : Male

Character Name : Secret Service Agent

Original Name : Mark Duane Anderson

Gender : Male

Character Name : Elderly Woman

Original Name : Irene Roseen

Gender : Female

Character Name : Rabbi

Original Name : Jules Mandel

Gender : Male

Character Name : Betty

Original Name : Betsy Ames

Gender : Male

Character Name : Flip

Original Name : Carson Elrod

Gender : Male

Character Name : Kip

Original Name : Joshua Wheeler

Gender : Male

Character Name : Ken

Original Name : John G. Pavelec

Gender : Male

Character Name : Priest

Original Name : Charles Kahlenberg

Gender : Male

Character Name : Chazz's Mom

Original Name : Kathryn Joosten

Gender : Female

Character Name : Chazz's Girlfriend

Original Name : Karen Miller

Gender : Male

Character Name : Woman at Jewish Reception

Original Name : Tanaya Nicole

Gender : Female

Character Name : Hindu Woman

Original Name : Naureen Zaim

Gender : Female

Character Name : Girl at Irish Wedding

Original Name : Cindy Taylor

Gender : Female

Character Name : Girl Who Cries

Original Name : Melanie Hawkins

Gender : Female

Character Name : Girl Who Cries

Original Name : Summer Altice

Gender : Female

Character Name : Wedding Planner

Original Name : Lisa Beach

Gender : Female

Character Name : Wedding Planner

Original Name : Lovelynn Vanderhorst

Gender : Male

Character Name : Woman at Table

Original Name : Phyllis Samhaber

Gender : Male

Character Name : Man at Table

Original Name : O.J. Watson

Gender : Male

Character Name : Helicopter Pilot

Original Name : Al Cerullo

Gender : Male

Character Name : Chazz Reinhold (uncredited)

Original Name : Will Ferrell

Gender : Male

Character Name : James Carville (uncredited)

Original Name : James Carville

Gender : Male

Character Name : John McCain (uncredited)

Original Name : John McCain

Gender : Male

Character Name : Woman in Hat (uncredited)

Original Name : Lindsay Schoneweis

Gender : Female

Character Name : Bridesmaid (uncredited)

Original Name : Kelsey Wedeen

Gender : Female

Character Name : Funeral Mourner (uncredited)

Original Name : Brian T. Lynch

Gender : Male