At the time, the cause of death was declared as "an ongoing medical condition". On July 8, a preliminary autopsy was performed but produced inconclusive results.
Watch: Jessie and The Descendants cast react to Boyce's passing
Upon further testing, according to the latest report released by the Los Angeles County coroner on Tuesday, July 30, Boyce suffered a "sudden unexpected death in epilepsy." The manner of death was ruled as natural by the medical examiners.
Jessie co-star Charles Esten who played his father
Disney Chairman and CEO Bob Iger
The 20-year-old youngster made his acting debut in 2008 with a horror movie 'Mirrors' in which he played 'Michael Carson'. He was only nine at the time. His filmography includes a long list of movies and TV series, but his big break was in Disney's 'Jessie' in 2011 which he starred for four seasons.
Watch: Cameron Boyce, Debbie Ryan, Peyton List, Karan Brar and Skai Jackson in Jessie
Since then, Boyce was part of numerous Disney projects and made exceptional performances in each of them. He recently had wrapped up the production for Disney movie 'The Descendants 3' scheduled to premiere in August. He was also set to star in HBO series 'Mrs. Fletcher' with Kathryn Hahn, 'Paradise City' and 'Runt'.
For his participation in Disney XD series 'Timeless Heroes — Be Inspired' in honor of Black History Month, Boyce earned the Daytime Emmy Award. He was also involved with a non-profit organization for awareness of global water crisis called 'Thirst Project'. His campaign in 2017 raised more than $27,000 to build two wells in Switzerland and was decorated with the Pioneering Spirit Award the next year.