Walter Koenig, who played Ensign Pavel Chekov on the original “Star Trek” series, died Sunday at his home in North Hollywood, California. He was 90.
His talent agency confirmed the death in a Facebook post Monday, saying Koenig died of old age and was with his daughter, Danielle, and his niece at the time.
“Walter’s legacy extends far beyond the screen,” the agency’s statement read. “Through countless convention appearances and interactions with fans, he shared his kindness, wit, and appreciation with everyone fortunate enough to meet him.”
“He understood what ‘Star Trek’ meant to people and embraced the community that grew around it,” the statement continued. “Thank you, Walter, for the memories, the inspiration, and for boldly going where few have gone before.”
George Takei, who played Sulu alongside Koenig, remembered his longtime friend and co-star in a Facebook post of his own.
“My heart is heavy,” Takei wrote, recalling that he and Koenig first met in 1960. “Walter was more than Chekov. He was a writer, a teacher, a thoughtful man, and a loyal friend. To the fans who loved him for so many years, thank you. He loved you too.”
From Chicago to the bridge of the Enterprise
Koenig was born Sept. 14, 1936, in Chicago and raised in New York City by his parents, who were Russian Jewish immigrants. He initially pursued a pre-med track at Grinnell College in Iowa before transferring to the University of California, Los Angeles, where he earned a bachelor’s degree in psychology. A UCLA professor encouraged him toward acting, and he went on to train at New York’s Neighborhood Playhouse.
Koenig’s early television credits included an appearance on “Combat!” in 1962, an episode of “The Untouchables” in 1963, and two episodes of “General Hospital” that same year, playing Charlie Turner. He joined “Star Trek” as Chekov in 1967.
In a 2013 interview with the TV Academy Foundation, Koenig said he had never actually watched “Star Trek” before joining the cast in its second season. He recalled learning he’d gotten the part when a wardrobe assistant came to measure him for a costume without explanation.
“He drops on his knees in front of me,” Koenig said. “[He] takes my crotch in his hand, and I’m saying, ‘What are you doing?!’ I didn’t see the tape-measuring ruler in his other hand, and he was measuring from my crotch to my cuff to decide how long my pants should be. He says, ‘You do have to have a costume, don’t you?’ And that’s the auspicious way I learned I was on ‘Star Trek’ and it was going to change my life.”
Koenig played Chekov through the original series’ run, which ended in 1968, acting alongside William Shatner as Captain James T. Kirk and Leonard Nimoy as Mr. Spock. He reprised the role in “Star Trek: The Motion Picture” (1979), “Star Trek II: The Wrath of Khan” (1982) and “Star Trek III: The Search for Spock” (1984), and appeared in further franchise films through 1994.
His final screen credit was the 2025 film “Raging Midlife,” and he also appeared as himself in the 2025 short “Lost Voyages: Phase II and the Rebirth of Star Trek.”
Koenig married Judy Levitt, who also appeared in the “Star Trek” films, in 1965. The couple had two children, Danielle and the late Andrew, who died by suicide in 2010. Levitt died in 2022 at age 83.


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