By peoplestaff225
December 15, 2007 10:02 AM

Watching Nicolas Cage and his 2-year-old son Kal-El interact on the set of Nicolas’ new movie National Treasure 2: Book of Secrets was a delight, co-star Diane Kruger says. Says Diane,

Nicolas’ other co-star, 12-year-old Billy Unger, agrees that Nicolas is a natural with kids.

As for Kal-El and his mom — Nicolas’ wife of three years Alice Kim — Nicolas said that he was anxious to wrap up promoting the film so he could join his family in England for the holidays.

Kal-El is the first child for the couple; Nicolas, turning 44 next month, also has a son Weston, turning 17 later this month, from a previous relationship.

Source: OK!