The Wedding Planner's Adam Shankman directs Steve Martin in his return as Tom Baker, the well-meaning dad, and Bonnie Hunt (Jerry Maguire, Jumanji, The Green Mile) as Kate Baker, who hope to bring their family together for a memorable summer vacation by taking their 12 offspring to rustic Lake Winnetka, Wisconsin. But their retreat soon turns cutthroat when they enter into a competition with the over-achieving members of a large family, headed by Tom's long-time rival Jimmy Murtaugh, played by American Pie's Eugene Levy. Eugene Levy is also well-known for his collaborations with Christopher Guest - Waiting for Guffman, Best In Show, The Mighty Wind. Adam Shankman, a renowned video and film choreographer (Whitney Houston's I'm Your Baby Tonight) also directed Steve Martin in Bringing Down The House. Included in the cast are Piper Perabo (White Boyz, Coyote Ugly), successful singer and actor Hilary Duff and Carmen Electra as Sarina Murtaugh.