Jon Wellner

Biography

Jon Wellner is a versatile actor known for his long-standing role as toxicologist Henry Andrews on CSI: Crime Scene Investigation. He began his affiliation with the show in Season 4 as a researcher and later took on the lead role of Andrews, playing it for eight seasons. In addition to his work on CSI, he has also worked on other TV forensics shows, including Bones and Drop Dead Diva.