[1] Cohn starred in the films Cry Wolf, Rubber, The Experiment, and Lady in the Water.
Most recently, he played a cranky birdwatcher in the film A Birder's Guide to Everything, which has been picked up by Focus World.
He is best known for his role as Zane Taylor in science fiction serial drama television series Heroes.
Cohn has worked in many television series, having small roles in CSI: Miami, Head Cases and Huff.
[2] Along with playwright and journalist Elizabeth Savage, Cohn has written comedy television pilots and feature films.