The "Ray Donovan" star is praising his daughter Kai, who he shares with ex-wife and two-time Oscar nominee Naomi Watts, calling the teen "a fighter."

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.

Naomi Watts and Liev Schreiber dated for 11 years before breaking up, and they have since remained supportive coparents. “We’re doing things very differently,” Watts told PorterEdit in August 2019. The two actors were first linked in 2005,