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Jon Wellner

Jon Wellner (born July 11, 1975) is an American actor, best known for his role as toxicologist Henry Andrews on CSI: Crime Scene Investigation. He has portrayed Andrews from 2004 through to the 2015 season, his 11th with the show. He began his affiliation with the show in season 4 as a researcher, verifying that the information on the show was accurate.

Jon Wellner

Name
Jon Wellner
Born
11 July 1975
Birthplace
Evanston, Illinois, U.S.
Occupation
Actor
Nationality
United States
Languages
English

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Jon Wellner (born July 11, 1975) is an American actor, best known for his role as toxicologist Henry Andrews on CSI: Crime Scene Investigation. He has portrayed Andrews from 2004 through to the 2015 season, his 11th with the show. He began his affiliation with the show in season 4 as a researcher, verifying that the information on the show was accurate.

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Jon Wellner (born 1975) is an American actor. The actor was born in Evanston. Languages used include English.

Composed from admitted, traceable facts · 01 October 2026

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wikidata · Q1861851 · wikipedia · Jon Wellner

In this article

  1. 01Biography
  2. 02Archives and collections
  3. 03Notes, references and evidence

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