Jennifer Aniston

Character: Sarah Huttinger

Kevin Costner

Character: Beau Burroughs

Shirley MacLaine

Character: Katharine Richelieu

Mark Ruffalo

Character: Jeff Daly

Richard Jenkins

Character: Earl Huttinger

Christopher McDonald

Character: Roger McManus

Steve Sandvoss

Character: Scott

Mena Suvari

Character: Annie Huttinger

Mike Vogel

Character: Blake Burroughs

Rob Lanza

Character: New Year's Eve M.C.

Lisa Vachon

Character: Young Katherine

Trevor Stock

Character: Young Beau

Jennifer Bini Taylor

Character: Jocelyn Richelieu

Marcia Ann Burrs

Character: Pasadena Wife

Lynn Wanlass

Character: Pasadena Wife

Mary Anne McGarry

Character: Pasadena Wife

Maree Cheatham

Character: Party Guest

Gloria Grant

Character: Party Guest

Gregory White

Character: Party Guest

Jake Mailey

Character: Party Guest

Frank Novak

Character: Party Guest

Billy Kerr

Character: Party Guest

Terrie Snell

Character: Party Guest

Shannon Farnon

Character: Party Guest

Jenny Wade

Character: Nikki

Erinn Bartlett

Character: Donna

Allyson Bradford

Character: Bridesmaid

Kate McClafferty

Character: Bridesmaid

Googy Gress

Character: Burly Man

Rolando Molina

Character: Mover

Carmela Rappazzo

Character: Party Planner

Erinn Hayes

Character: Wedding Coordinator

Christopher Stapleton

Character: Bartender

George F. Regas

Character: Pastor

Jaime Ray Newman

Character: Conference Greeter

Andy Milder

Character: Conference Attendee

Gabriel Jarret

Character: Conference Attendee

Clyde Kusatsu

Character: Conference Attendee

John Sterling Carter

Character: Conference Attendee

Mike Baldridge

Character: Reporter

Donna Cooper

Character: Reporter

Erin McDonald

Character: Waitress

Paul Ganus

Character: Co-Pilot

Amos Levkovitch

Character: Magician

Leigh French

Character: Charity Dinner Guest

Charlotte Colavin

Character: Charity Dinner Guest

George Gerdes

Character: Charity Dinner Guest

Lyman Ward

Character: Charity Dinner Guest

Jordan Lund

Character: Charity Dinner Guest

John E. Byrd

Character: Doorman

Kathy Bates

Character: Aunt Mitsy (uncredited)

Colleen Camp

Character: Pasadena Wife (uncredited)

George Hamilton

Character: Self (uncredited)