Jon Wellner

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Jon Wellner
BornJon Wellner
(1975-07-11) July 11, 1975 (age 39)
Evanston, Illinois, U.S.
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Jon Wellner
BornJon Wellner
(1975-07-11) July 11, 1975 (age 39)
Evanston, Illinois, U.S.

Jon Wellner is an American actor, best known for his role as toxicologist Henry Andrews on CSI: Crime Scene Investigation. He has portrayed Andrews for eight seasons and has been signed for the 2013-2014 season, his ninth with the show.[1]

He began his affiliation with the show in Season 4 as a researcher, verifying that the information on the show was accurate.[2] He had a role as a zookeeper in Season 5, then took on the role of Andrews. He continues to serve as a researcher for the show. In 2009 he and fellow cast member/researcher David Berman formed a company that does research for several other television forensics shows including Bones, CSI: Miami, and Drop Dead Diva.[3]


Becker20012 episodes
Gilmore GirlsMikey2001
ThievesHarvey Reese2007
Brown Eyed GirlBaxter2001
The King Of QueensKeith2001Uncredited
ProvidenceVan Buyer2002
The CourtHoots2002
Walkin' FreeJohnny No Bones2002
The 24 Year-Old VirginDale2003
Yes, Dear2003
CSI: Crime Scene InvestigationSam Tracy20041 Episode- Unbearable
CSI: Crime Scene InvestigationHenry Andrews2004–present
Judging AmyAlan Schein2005
Navy NCIS: Naval Criminal Investigative ServiceSimon Frankel2005
Life on a StickKenny2005
That's So RavenBrad2005
Twenty QuestionsPierce Lowell2006
Courting AlexReporter2006
Grad NightBrett Johnson2006
What News?Tom Thompson2007
Evan AlmightyStaffer2007
Ocean's ThirteenBellman2007
BonesMike Campbell2008
NCISSimon Frankel20051 episode - Red Cell


  1. ^ Starr, Michael (March 20, 2013). "Starr Report". New York Post. Retrieved 29 March 2013. 
  2. ^ DeLeon, Chris (December 13, 2007). "Jon Wellner Talks About His Dual Role on 'CSI'". Buddy TV. Retrieved 29 March 2013. 
  3. ^ Ollison, Rashod (April 26, 2011). "Revealing secrets of producing 'CSI'". The Virginian-Pilot, cited at Retrieved 29 March 2013. 

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