Jason Davis, a former child star who voiced the character Mikey Blumberg in the popular children's show Recess, has died aged 35.
Davis’ cause of death is currently unknown.
The actor, a regular on the Hollywood party scene, was open about his struggles with addiction and appeared on Celebrity Rehab with Dr Drew in 2010.
He helped fund research for people suffering from substance abuse after co-founding the charity Cure Addiction Now.
Davis’ grandfather was studio boss Marvin Davis, who bought 20th Century Fox in 1981 before selling it to Rupert Murdoch.
His grandmother was philanthropist Barbara Davis.