Jon Wellner

For the statistician, see Jon A. 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.^[1]

Jon Wellner
Born	(1975-07-11) July 11, 1975 (age 50) Evanston, Illinois, U.S.
Occupation	Actor
Years active	1997–present

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]

Filmography

Show	Character	Year	Notes
Becker	Graduate #2	2001	2 episodes
Gilmore Girls	Mikey	2001
Brown Eyed Girl	Baxter	2001	Video Short
The King Of Queens	Keith	2001	Uncredited
Surviving Gilligan's Island	Bob Denver	2001	TV movie
Providence	Van Buyer	2002
The Court	Hoots	2002
Walkin' Free	Johnny No Bones	2002	Video Short
The 24 Year-Old Virgin	Dale	2003	Video Short
Yes, Dear	Man	2003
CSI: Crime Scene Investigation	Sam Tracy	2004	1 Episode - Unbearable
CSI: Crime Scene Investigation	Henry Andrews	2004–2015	(114 episodes)
Judging Amy	Alan Schein	2005
NCIS	Simon Frankel	2005	1 episode - Red Cell
Life on a Stick	Kenny	2005
That's So Raven	Brad	2005	1 Episode - Food for Thought
Twenty Questions	Pierce Lowell	2006
Courting Alex	Reporter	2006
Grad Night	Brett Johnson	2006
Vanished	Agent	2006
What News?	Tom Thompson	2007
Evan Almighty	Staffer	2007
Ocean's Thirteen	Bellman	2007
Thieves	Harvey Reese	2007
Bones	Mike Campbell	2008	1 Episode - The Con Man in the Meth Lab
Dude, Where's My Bar?	Monty the Mole	2009	Video Short
Drop Dead Diva	Calvin	2011	1 Episode - Mother's Day
Major Crimes	Attorney	2012	1 Episode - The Shame Game
Shameless	Charles	2021	1 Episode - Survivors