Jon Wellner

PersonBorn Jul 11, 1975 (age 50)Evanston, Illinois, USA

American actor

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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 joined the show in season 4 as a researcher, ensuring accuracy in the information presented. Wellner portrayed a zookeeper in season 5 before taking on the role of Andrews, which he played from 2004 to 2015. Alongside his acting career, he continues to work as a researcher for the show. In 2009, he co-founded a company with fellow cast member David Berman, providing research for various television forensics shows, including Bones, CSI: Miami, and Drop Dead Diva.

Rank#40,603
Buzz Score0.0
Daily update · May 30, 2026

Jon Wellner ranks #40,603 most popular person with a Buzz Score of 0.0. Jon Wellner peaked at #33,972 of all time (Mar 2 - Mar 31, 2024). Jon Wellner ranks #27,061 over the past 365 days.

Jon Wellner

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Ranks on May 30, 2026

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