https://screenrant.com/kenneth-mitchell-star-trek-discovery-actor-dies/

Kenneth Mitchell, known for playing several roles in Star Trek: Discovery as well as appearing in Jericho and Captain Marvel, has passed away at 49.

"I'm Absolutely Gutted": Star Trek Reacts To Kenneth Mitchell's Death (https://screenrant.com/star-trek-reactions-kenneth-mitchell-death/)

Kenneth Mitchell's fellow Star Trek actors and creatives share their emotional and poignant reactions to his death from ALS.

Kenneth Mitchell’s 4 Star Trek: Discovery Characters Explained (https://screenrant.com/star-trek-discovery-kenneth-mitchell-characters/)

The late Kenneth Mitchell was a beloved member of Star Trek: Discovery's recurring cast, playing three different Klingons and one brilliant scientist.