'Star Trek' Icon Walter Koenig Has Reportedly Died at 90

A true sci-fi original has reportedly passed. Walter Koenig, who played Ensign Pavel Chekov on the original "Star Trek" series and in seven "Star Trek" films, has died at 90, according to a statement from his representatives reported by Variety.

His reps reportedly said he died of old age at his North Hollywood home on Sunday night, with his daughter and niece at his side. Beyond the Enterprise, a whole generation of fans also knows him as Psi Cop Alfred Bester on "Babylon 5," one of the most memorable villains in 90s TV.

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According to NBC News, his passing leaves William Shatner and George Takei as the last surviving primary cast members of the original series. The LA Times reports tributes are already coming in from across the franchise.

Chekov's accent and his famous "nuclear wessels" line are pop culture forever. Rest easy to a legend. What is your favorite Chekov moment?

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Sources: https://variety.com/2026/film/news/walter-koenig-dead-chekov-star-trek-1236931312/; https://www.latimes.com/entertainment-arts/story/2026-10-26/walter-koenig-star-trek-original-chekov-dies-at-90; https://www.nbcnews.com/pop-culture/pop-culture-news/walter-koenig-actor-played-chekov-original-star-trek-series-dies-90-rcna605743