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. 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.

Filmography

ShowCharacterYearNotes
BeckerGraduate #220012 episodes
Gilmore GirlsMikey2001
Brown Eyed GirlBaxter2001Video Short
The King Of QueensKeith2001Uncredited
Surviving Gilligan's IslandBob Denver2001TV movie
ProvidenceVan Buyer2002
The CourtHoots2002
Walkin' FreeJohnny No Bones2002Video Short
The 24 Year-Old VirginDale2003Video Short
Yes, DearMan2003
CSI: Crime Scene InvestigationSam Tracy20041 Episode - Unbearable
CSI: Crime Scene InvestigationHenry Andrews2004–2015(114 episodes)
Judging AmyAlan Schein2005
NCISSimon Frankel20051 episode - Red Cell
Life on a StickKenny2005
That's So RavenBrad20051 Episode - Food for Thought
Twenty QuestionsPierce Lowell2006
Courting AlexReporter2006
Grad NightBrett Johnson2006
VanishedAgent2006
What News?Tom Thompson2007
Evan AlmightyStaffer2007
Ocean's ThirteenBellman2007
ThievesHarvey Reese2007
BonesMike Campbell20081 Episode - The Con Man in the Meth Lab
Dude, Where's My Bar?Monty the Mole2009Video Short
Drop Dead DivaCalvin20111 Episode - Mother's Day
Major CrimesAttorney20121 Episode - The Shame Game
ShamelessCharles20211 Episode - Survivors

External links