Steve Martin and Bonnie Hunt return as heads of the Baker family who, while on vacation, find themselves in competition with a rival family of eight children, headed by Eugene Levy,
Britt Robertson,Chad Michael Murray,Marla Sokoloff,Maxwell Caulfield,Colt Prattes,Hector David Jr.,Marc Anthony Samuel,Beth Broderick,Michael Gross,Maria Canals-Barrera,Meredith Thomas