Kristoff St. John, mostly known for his starring role on the long-running soap opera  The  Young and  the Restless,  has died aged  52  years  old, according to his lawyer Mark Geragos.

A cause of death for the beloved actor has not been released.

Police reportedly responded to a call on Sunday from friends of St. John who found him unresponsive at his home in San Fernando Valley, Los Angeles. The celebrity news  site,  TMZ who first reported  the news, says the actor was pronounced dead at the scene.

The 52-year-old played Neil Winters on the highly acclaimed soap opera since 1991. Over his 25 years he worked on  The Young and the  Restless, the actor  received numerous awards including nine Daytime Emmys.

His role on the show was praised by fans for being one of the first African-American characters on the series, and  regarded as a “pioneer” in daytime soaps.

The tragedy follows just two weeks after the anniversary of the death of his son Julian. He died at 24, and was shared with ex-wife and boxer, Mia St. John. Julian tragically committed suicide while a patient at a mental health facility in 2014. The family won a lawsuit against the treatment centre for negligence, according to TMZ.

Born July, 15 1966 in New York, the actor began making a name for himself at a young age. At just 7 years old  he appeared in  That’s My Mama.  In 1979 St. John played Alex Haley in the miniseries  Roots: The Next Generations.

He also regularly appeared on the CBS comedy series  The Bad News Bears  airing from 1979-1980. The actor had a small role playing on  The Cosby Show  as Denise Huxtable’s boyfriend. Later on in 1985, he worked on the CBS sitcom  Charlie & Co.

St. John also had small and large guest roles on shows including  Jake and the Fatman,  Diagnosis Murder,  Suddenly Susan,  The Jamie Foxx Show  and many others.

Supporters of the highly acclaimed actor took to social media to share their thoughts and prayers with his family.

A family marred by heartbreak, our thoughts are with Kristoff St. John’s loved ones during this time.  

Do you watch  The Young and The Restless?  Let us know in the comments below.