Cast[]
Starring
- Steve Martin as Tom Baker
- Eugene Levy as Jimmy Murtaugh
- Bonnie Hunt as Kate Baker, Tom's wife
- Tom Welling as Charlie Baker, Tom & Kate's son (2nd child)
- Piper Perabo as Nora Baker-McNulty, Tom & Kate's daughter (1st child)
- Carmen Electra as Sarina Murtaugh, Jimmy's 3rd wife
- Jaime King as Anne Murtaugh, Jimmy's daughter (3rd child)
- Taylor Lautner as Eliot Murtaugh, Jimmy's son (5th child)
- Alyson Stoner as Sarah Baker, Tom & Kate's daughter (5th child)
- Jonathan Bennett as Bud McNulty, Nora's husband
- Jacob Smith as Jake Baker, Tom & Kate's son (6th child)
- Liliana Mumy as Jessica Baker, Tom & Kate's daughter and Kim's twin sister (8th child)
- Morgan York as Kim Baker, Tom & Kate's daughter and Jessica's twin sister (9th child)
- Kevin G. Schmidt as Henry Baker, Tom & Kate's son (4th child)
- Forrest Landis as Mark Baker, Tom & Kate's son (7th child)
- and Hilary Duff as Lorraine Baker, Tom & Kate's daughter (3rd child)
Featuring
- Robbie Amell as Daniel Murtaugh, Jimmy's son (2nd child)
- Alexander Conti as Kenneth Murtaugh, Jimmy's son (8th child)
- Courtney Fitzpatrick as Lisa Murtaugh, Jimmy's daughter and Robin's twin sister (6th child)
- Madison Fitzpatrick as Robin Murtaugh, Jimmy's daughter and Lisa's twin sister (7th child)
- Brent Kinsman as Nigel Baker, Tom & Kate's son and Kyle's twin brother (11th child)
- Shane Kinsman as Kyle Baker, Tom & Kate's son and Nigel's twin brother (12th child)
- Shawn Roberts as Calvin Murtaugh, Jimmy's son (1st child)
- Melanie Tonello as Becky Murtaugh, Jimmy's daughter (4th child)
- Blake Woodruff as Mike Baker, Tom & Kate's son (10th child)