“British child star Mya-Lecia Naylor has died.

“The 16-year-old actress, who was known for Millie Inbetween and Almost Never, two teen shows on CBBC, died on April 7 after collapsing, BBC News reports. No further details are known about her death at this time.

“In addition to her work on the BBC Children’s network, Naylor appeared in Cloud Atlas alongside Tom Hanks and Halle Berry in 2012, as well as Code Red in 2013 and Index Zero in 2014.

“She was set to star in the upcoming second season of Almost Never and to appear in the pilot episode of The Witcher, a new Netflix series starring Henry Cavill.”

Read more at ET