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  3. 'Trapper John, M.D.': Charles Siebert's Cause Of Death In Memoriam

'Trapper John, M.D.': Charles Siebert's Cause Of Death In Memoriam

Laura Pérez / March 9, 2025 - 03:00 pm

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Pinterest Charles Siebert
(© imago images/Everett Collection)

Charles Siebert

Actor Charles Alan Siebert was born on March 9, 1938, in Kenosha, Wisconsin. He rose to fame for his portrayal of "Dr. Stanley Riverside II" in the iconic series 'Trapper John, M.D.' where he shared screen with Pernell Roberts and Gregory Harrison, among other stars.

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Pinterest Charles Siebert
(© imago images/Everett Collection)

Charles Siebert

Siebert attended Marquette University and the London Academy of Music and Dramatic Art (LAMDA), where he studied acting. 

His first acting roles took place in theatre plays in the United States, during the decade of the '60s.

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(© imago images/Everett Collection)

Charles Siebert

1961 marked his screen debut in the film 'Lile Father Like Son' as "Lee", as well as in the TV show 'Look Up And Live' playing "Devil." 

He then became a regular cast member in television, especially on soap operas like 'As the World Turns', 'Onfe Life to Live' and 'Another World'.

In film, he was notorious for his appearances in 'Blue Sunshine', 'The Onion Field' and 'The Last Word'.

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Pinterest Charles Siebert
(© imago images/Everett Collection)

Charles Siebert

As for his personal life, the 'Trapper John, M.D.' star was married two times.

His first wife was Catherine Mary Kilzer, whom he married in 1962. Their relationship ended with her 1981 death. They shared children Christopher, Charlie and Gillian.

He then tied the knot with Kristine Leroux in 1986, who was her wife until his death in 2022. Siebert had three step-children with her, Kristine Jr., Max and Jeremy.

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Pinterest Charles Siebert
(© imago images/Everett Collection)

Charles Siebert

Little-known facts about Charles Siebert:

  • He appeared in episodes of 'Kojak', 'Barnaby Jones', 'Dallas' and 'Murder, She Wrote'
  • Built an impressive career as a director too, for instance, in 'Knots Landing' and 'Renegade'
  • Actor Peter Bonerz was Siebert's best man on his wedding to Catherine Kilzer
  • Was a regular star on game shows such as 'Match Game' and Pyramid'
  • His final TV appearance took place in 1997 as "Sisyphus" in 'Xena: Warrior Princess'

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Pinterest Charles Siebert
(© imago images/Everett Collection)

Charles Siebert

Sadly, on May 1, 2022 Charles Siebert's death was announced.

The 'Trapper John, M.D.' star died at age 84 at San Francisco's UCSF Medical Center. He died from penumonia, as a result of a COVID-19 diagnosis.

Charles Siebert was a talented actor whose career began in the mid '60s.

Better known for his portrayal of "Dr. Stanley Riverside II" in 'Trapper John, M.D.' from 1979 to 1986, the star died in 2022, leaving fans deeply saddened.

'Trapper John, M.D.': Charles Siebert's Cause Of Death

This is what caused his death.

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