The cause of death of Adam Rich, known for his role in the popular series ‘Eight Is Enough,’ has been disclosed.

Adam Rich’s cause of death has been revealed nearly six months after his passing at the age of 54.

According to the Los Angeles Medical Examiner’s office, Rich died on January 7 as a result of the “effects of fentanyl,” with his death ruled as an accident.

The news of Rich’s death emerged in January when he was found deceased in his Los Angeles residence. Rich gained recognition for his role as the youngest sibling, Nicholas Bradford, in the ABC series ‘Eight Is Enough,’ which aired from 1977 to 1981. The sitcom followed the daily adventures of the expansive Bradford family, featuring Dick Van Patten, Connie Needham, Grant Goodeve, Willie Aames, Lani O’Grady, and Laurie Walters.

Van Patten, who passed away in 2015, spoke fondly of Rich in an Archive of American Television interview, attributing part of the show’s success to him. Rich’s natural talent, combined with his adorable portrayal of Nicholas, endeared him to audiences, with some even naming their children after his character.

Following the conclusion of ‘Eight Is Enough,’ Rich continued acting and appeared in popular shows such as ‘The Love Boat,’ ‘Fantasy Island,’ ‘CHiPs,’ ‘Silver Spoons,’ and ‘Baywatch.’ However, in the years leading up to his death, Rich had gradually stepped away from the public eye.

After Rich’s passing, his former TV siblings paid tribute to his legacy. Willie Aames, who played his older brother on the show, expressed his devastation, describing Rich not just as a colleague but as a lifelong friend and his only little brother. Other industry figures, such as Corey Feldman, also honored Rich’s memory, highlighting his talent, struggles, and dedication to raising awareness about mental illness.

Adam Rich’s cause of death, attributed to the effects of fentanyl, brings closure to the mystery surrounding his untimely passing, reminding fans of his impact as a child actor and his enduring legacy.