Cast
Grimes Family
Vanessa Lee Evigan as Kelly Grimes
Kerr Smith as James Grimes
Addy Miller as Madison Grimes
Mason Cook as Tommy Grimes
A.J. Cook as Karen Simmons, Kelly's sister
Topher Grace as Peter Simmons, Kelly's brother
Tucker Family
Chris Klein as Jimmy Tucker, the father of Gina, Jill and David Alyssa Milano as Kristen Tucker, the mother of Gina, Jill and David
Katharine McPhee as Gina Tucker, the oldest child
Abigail Breslin as Jill Tucker, the youngest child
Dustin Milligan as David Tucker, the middle child
Mary Elizabeth Winstead as Heather Morris, Kristen's sister
Others
Shawn Ashmore as Bobby Anderson
Jesse Metcalfe as Carl Evans
Chris Evans as Chris Banks
Ben Foster as Jake Banner
Chris Zylka as Kyle Parks, Gina's boyfriend
Rutina Wesley as Gia Morgan
James Franco as Derek Coleman
Alyson Hannigan as Jennifer Dark
Neil Patrick Harris as Phil Rogers
Josh Duhamel as Travis Thomas
Megan Fox as Michelle Roberts
Emanuelle Chriqui as Alex Santiago
Eric Christian Olsen as Daniel Green
Arlen Escarpreta as Jack Bolton
Nick Stahl as Rick King