Liev Schreiber and Naomi Watts welcomed their daughter Kai in December 2008. Here's everything to know about Liev Schreiber and Naomi Watts' daughter, Kai.

Actor Liev Schreiber is opening up about his transgender daughter Kai Schreiber. Schreiber told Variety in an interview published Thursday that Kai, 16, is largely the same person she always had been as a child. "Kai was always who Kai is," Schreiber said.

The "Ray Donovan" star and his co-parent, "The Impossible" star Naomi Watts, had Kai in 2008, and their first child, Sasha, in 2007.Liev Schreiber is voicing his support for his daughter Kai, and opening up about his experience parenting a transgender child.