'Star Trek' actor Walter Koenig’s cause of death revealed: Report

The Brief
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Walter Koenig, 90, died from cardiopulmonary arrest, with chronic diastolic congestive heart failure listed as an underlying cause. Acute renal failure was also a contributing condition.
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Koenig was best known for portraying Ensign Pavel Chekov in the original 1960s "Star Trek "series alongside William Shatner and Leonard Nimoy.
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Beyond "Star Trek," Koenig appeared in "Babylon 5," "Columbo" and "Futurama."
LOS ANGELES- The cause of death for "Star Trek" actor Walter Koenig has been determined, according to a report.
Koenig died at his home in the North Hollywood neighborhood of Los Angeles last month. He was 90 years old.
'Star Trek' actor's Walter Koenig's cause of death
Big picture view
Koenig suffered from cardiopulmonary arrest, with chronic diastolic congestive heart failure listed as an underlying cause, according to the actor's death certificate, which was obtained by TMZ on Nov. 3.
The certificate also listed acute renal failure as a significant contributing condition. Koenig was cremated on Oct. 30.
TMZ also reported that Koenig would be laid to rest at the same cemetery as his late son, Andrew Koenig , who died by suicide in 2010.
Walter Koenig's legacy
The backstory
Koenig was best known for playing Ensign Pavel Chekov in the original "Star Trek" series from the 1960s.
In 1966, Koenig landed the role alongside William Shatner, Leonard Nimoy and others from the iconic series. As Chekov, Koenig portrayed the navigator for the U.S.S. Enterprise. In the series, he also filled in as a science officer in place of Mr. Spock when needed.
RELATED: 'Star Trek' star Walter Koenig, who played Chekov, dies at 90
The series only lasted three seasons, but its popularity skyrocketed after it ended, inspiring a cartoon series and numerous "Star Trek" movies.
The series helped launch the popularity of conventions, where stars and creators would meet and greet fans of various genres.
Koenig's representative said of the actor, Walter "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."
RELATED: Patrick Stewart, 'Star Trek' and 'X-Men' actor, dies at 86
Some of his other credits include, "Babylon 5," "Columbo" and "Futurama."
Koenig's death came just a few days before fellow "Star Trek" legend Patrick Stewart died October 28 at age 86.
The Source
The information for this story was provided by TMZ. Previous FOX Local reporting contributed. This story was reported from Los Angeles.
