Walter Koenig, the actor forever associated with Pavel Chekov in the original Star Trek series, has died at the age of 90.
The American actor and screenwriter, who appeared in the original television series and seven Star Trek films, died Sunday at his home in Los Angeles.
Koenig’s representatives confirmed his death to Our News Outlet on Monday morning. Their statement said: “Today we mourn the passing of Walter Koenig, whose talent, warmth, and unforgettable performances left a lasting mark on generations of fans around the world.”
He died in North Hollywood with his daughter and niece by his side, according to the announcement.
Koenig first appeared as Ensign Pavel Chekov at the beginning of the show’s second season in September 1967. The character was introduced as a brash young navigation officer.
“Best known for his iconic role as Pavel Chekov in Star Trek: The Original Series, Walter helped inspire audiences with his optimism, humor, and adventurous spirit,” his representatives said.

Walter Koenig, best known for playing Chekov in the original Star Trek series, has died at 90. He is pictured in Los Angeles in March 2025.

The acclaimed actor appeared in seven Star Trek feature films after joining the original television series. He is pictured in 1967.
Koenig continued working in entertainment long after his run on the science-fiction franchise, building an additional career as a screenwriter.
His representatives said: “Beyond Star Trek, his long and distinguished career showcased his versatility as an actor and his genuine love for his craft. His remarkable talent continued to shine in his later years, most recently with his performance in the short film Mr. Fleischmann, for which he received the Platinum Award for Best Actor at the 2026 Independent Shorts Awards—a fitting recognition of a lifetime devoted to his craft.”
“Walter’s legacy extends far beyond the screen. 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 tribute also offered condolences to Koenig’s family, friends, colleagues and admirers around the world.
“On behalf of all of us, we extend our deepest condolences to Walter’s family, friends, colleagues, and the millions of fans whose lives he touched over the decades,” the statement read.
“Thank you, Walter, for the memories, the inspiration, and for boldly going where few have gone before. Rest in peace.”
Chekov, a Russian-born character, was created in part to attract younger viewers. His hairstyle was styled after Davy Jones, the star of the sitcom The Monkees, which was popular at the time.

Koenig, an American actor and screenwriter, died Sunday in Los Angeles after appearing in the original Star Trek series and seven feature films.

Chekov was designed to appeal to teenage viewers, with a hairstyle inspired by Davy Jones of The Monkees. Koenig is pictured with George Takei, who played Sulu.
Koenig played Chekov in 36 episodes, from the season-two premiere in 1967 through the conclusion of season three in 1969.
He later reprised the role in seven films: Star Trek: The Motion Picture (1979), Star Trek II: The Wrath of Khan (1982), Star Trek III: The Search for Spock (1984), Star Trek IV: The Voyage Home (1986), Star Trek V: The Final Frontier (1989), Star Trek VI: The Undiscovered Country (1991), and Star Trek Generations (1994).
His final appearance in the role came in 2023, when he voiced President Anton Chekov in the series Star Trek: Picard.
Beyond Star Trek, Koenig carved out a lasting career in sci-fi, memorably starring as Alfred Bester on Babylon 5 and continued to take on voice work, convention appearances, and select screen projects well into his later years.
As a screenwriter he worked on Land of the Lost (1974), Family (1976), What Really Happened to the Class of ’65? (1977) and The Powers of Matthew Star (1982). In addition, he also wrote several books.
Koenig was born in Chicago, Illinois as the son of businessman Isadore Koenig and wife Sarah. His parents were Russian Jewish immigrants from the Soviet Union.
Working on Star Trek was not the easiest going gig as on-set tensions once sparked a famously frosty feud with William Shatner.
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The rivalry reportedly flared during Star Trek II: The Wrath of Khan when the actor jokingly accused Shatner of edging him out of frame, only to be met with an icy stare that left him shaken for the rest of the day.

Above, Koenig as he poses with wife Judy Levitt (left) and daughter Danielle Koenig (right) at his Hollywood Walk of Fame ceremony in September 2012

Koenig had starred in seven Star Trek feature films including Star Trek VI: The Undiscovered Country in 1991 (Above seen from left: Koenig, George Takei, Deforest Kelly, Nichelle Nichols, William Shatner, James Doohan, and Leonard Nimoy)
Things didn’t thaw years later, either, when Shatner allegedly referred to him at a 1989 press conference as ‘the gentleman who plays Chekov,’ forgetting his name entirely.
While the friction between Koenig and Shatner never exploded into an all-out feud, Koenig has long traced the tension to what he once called a rigid Hollywood ‘caste system.’
He has said the show’s leading men were treated like royalty in the 1960s, while supporting players were made to feel expendable – more like ‘moving furniture’ than collaborators.
That imbalance reportedly came to a head during filming on Star Trek II: The Wrath of Khan, when Koenig jokingly teased Shatner for edging him out of a shot to grab more screen time.
Koenig once recalled, “I said, ‘I’m just doing what you would do, Bill.’… Bill looked at me and said, ‘That’s neurotic’… I went home and I had a severe gut pain for the rest of the evening”.
Regarding the 1989 press conference where Shatner forgot his name, Koenig reflected on their later work together on Columbo: ‘I don’t think he remembered my name… he didn’t talk to me’.
Despite the slights, Koenig was always careful not to label the situation a feud – and has made efforts over the years to move on.
He even appeared on Shatner’s talk show Raw Nerve in 2011, where the two openly addressed their history, with Koenig later defending Shatner’s acting and brushing off claims that he overplayed Captain Kirk.

Working on Star Trek was not the easiest going gig as on-set tensions once sparked a famously frosty feud with William Shatner (Above, the two are seen in Star Trek III: The Search for Spock in 1984)

The cast of Star Trek in 1965
In his 2020 memoir, Koenig wrote that if Shatner ‘chose to ignore me, that was okay… I didn’t take it personally’.
Still, he conceded the relationship never fully healed.
Speaking to TrekMovie in 2020, Koenig explained: ‘No, we don’t have closure. Mr. Shatner comes from a different place and a different philosophy and different set of values.
‘He argues that he is not at fault and not guilty of any social misdemeanor – and I say misdemeanor and not felony because it never achieved that status.
‘They were just little things along the way that were disappointing and disillusioning, but not enough to change my life or go to bed tossing and turning thinking about Bill Shatner.’

As a screenwriter he worked on Land of the Lost (1974), Family (1976), What Really Happened to the Class of ’65? (1977) and The Powers of Matthew Star (1982). In addition, he also wrote several books (Above, Koenig in LA in October 2007)
Shatner’s chilly dynamic with Koenig was hardly an outlier, as his relationships with several Star Trek co-stars have long been marked by tension.
His once-close friendship with Leonard Nimoy famously unraveled in the 1970s after Shatner published personal details about Nimoy without his consent, triggering years of silence that lasted until a partial reconciliation shortly before Nimoy’s death in 2015.
He has also been locked in a decades-long and very public war of words with George Takei, who has accused Shatner of being dismissive and self-centered on set – allegations Shatner has consistently brushed off.
The bad blood only intensified in recent years, with Takei taking aim at Shatner’s politics and conduct, while Shatner dismissed the feud as entirely one-sided and fueled by lingering resentment.