Actor

Jon Wellner

July 11, 1975 · Evanston, Illinois, USA

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 showHe 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.

Notable work

6.7
Ocean's Thirteen (2007)
as Bellman
5.6
Evan Almighty (2007)
as Staffer
8.2
Bones (2005)
as Mike Campbell
8.2
Shameless (2011)
as Charles
7.6
NCIS (2003)
as Simon 'Urkel' Frankel
7.6
CSI: Crime Scene Investigation (2000)
as Henry Andrews and as Sam Tracy
7.9
Gilmore Girls (2000)
as Mikey

Often works with

David Berman
3 titles together
CSI: Crime Scene Investigation, CSI: Immortality, Vanished
Ted Danson
3 titles together
CSI: Crime Scene Investigation, Becker, CSI: Immortality
Lauren Graham
2 titles together
Evan Almighty, Gilmore Girls
Eric Szmanda
2 titles together
CSI: Crime Scene Investigation, CSI: Immortality
Robert David Hall
2 titles together
CSI: Crime Scene Investigation, CSI: Immortality
Paul Guilfoyle
2 titles together
CSI: Crime Scene Investigation, CSI: Immortality

Full filmography · 19

Major Crimes
as Attorney
20127.4
Shameless
as Charles
20118.2
Drop Dead Diva
as Calvin
20097.7
Vanished
as Agent in Atlanta FBI Office
2006
Bones
as Mike Campbell
20058.2
Life on a Stick
cast
2005
NCIS
as Simon 'Urkel' Frankel
20037.6
That's So Raven
as Brad
20037.2
The Court
cast
2002
CSI: Crime Scene Investigation
as Henry Andrews and as Sam Tracy
20007.6
Gilmore Girls
as Mikey
20007.9
Judging Amy
as Alan Schein
19997.5