Content overview: “William Shatner Mourns Star Trek Co-Star Walter Koenig: 'He Was a Good Man'”. Star Trek icon William Shatner has publicly reacted to the death of his former co-star Walter Koenig, who played Pavel Chekov in the original series and subsequent films. Koenig passed away at the age of 88, as confirmed by his family. Shatner, 94, who portrayed Captain James T.
Kirk, took to social media to express his condolences, calling Koenig 'a good man' and noting that while they were not close friends off-screen, they shared decades of professional history. The two actors appeared together in Star Trek: The Original Series, six feature films, and various franchise events. Koenig's death marks another loss for the legendary cast, following the passings of Leonard Nimoy, DeForest Kelley, James Doohan, Nichelle Nichols, and George Takei in recent years. The full version stays on the original page, which this listing opens directly.