Star Trek actor Walter Koenig passes away at 90

Walter Koenig, best known for playing Ensign Pavel Chekov in the original Star Trek series, died at his North Hollywood residence at the age of 90.

A statement from Galactic Productions confirmed that the actor and writer passed away from natural causes on Friday, surrounded by his daughter and niece.

Koenig appeared in 36 episodes of the NBC series and the first seven Paramount feature films, and also portrayed Alfred Bester in Babylon 5.