Jon Wellner

From Wikipedia the free encyclopedia 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 20132014 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 accurateHe 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 memberresearcher David Berman formed a company that does research for several other television forensics shows including Bones CSI Miami and Drop Dead Diva