After a boy sees his mom (Connie Sellecca) smooching Santa---unaware it's really his dad (Corbin Bernsen)---he decides to be “naughty” to keep the ho-ho-homewrecker away from his house and, therefore, his mom. Justin: Cole and Dylan Sprouse. Bobby Becker: Eric Jacobs. Ms. Crumley: Joan Mullaney. Grandpa: Tony Larimer. Sal: Paul Kiernan.