Jon Wellner

Jon Wellner is an accomplished American actor, widely recognized for his portrayal of toxicologist Henry Andrews on the long-running series CSI: Crime Scene Investigation. Wellner's journey with the show began in its fourth season, where he initially worked as a researcher, ensuring the accuracy of the forensic details presented in each episode. He made his acting debut on the show in Season 5 as a zookeeper before stepping into the significant role of Henry Andrews, a character he has embodied for eight seasons. Wellner's dedication to the series continued as he was signed on for the 2013-2014 season, marking his ninth season with the franchise.

In addition to his acting career, Wellner has also made substantial contributions behind the scenes. In 2009, he partnered with fellow cast member David Berman to establish a research company that provides expertise for various other television forensic dramas, including notable titles like Bones, CSI: Miami, and Drop Dead Diva. Wellner's dual role as an actor and researcher highlights his commitment to the authenticity of the genre, making him a respected figure in the television industry. His work continues to influence the portrayal of forensic science on screen, showcasing his passion for both performance and accuracy in storytelling.