Gwyneth Paltrow
Liv
Scott Speedman
Billy
Maria Bello
Suzi Loomis
Paul Giamatti
Todd Woods
Andre Braugher
Reggie Kane
Huey Lewis
Ricky Dean
Angie Dickinson
Blair
Brent Butt
Kansas Motel Clerk
Michael Bublé
Finale Singer
Kiersten Warren
Candy Woods
Marian Seldes
Harriet Gahagan
Lochlyn Munro
Ronny Jackson
Steve Oatway
Ralph Beckerman
Aaron Pearl
Buddy
Warren Takeuchi
Texas Trooper #1
James Cameron
Karaoke singer (uncredited)
Maya Rudolph
Omaha Karaoke Hostess
Kolja Liquette
Hospital Orderly (uncredited)
Amanda Kravat
Redhead
Keegan Connor Tracy
Sheila