From Heroes Wiki
|Character||Young Dr. Zimmerman|
Jon Donahue is the actor who portrays a young Dr. Zimmerman.
Jon has only had one appearance on television in the series The Romantic Foibles of Esteban, however he has had more success in film appearing in Koreatown, Charlie Wilson's War, Relative Strangers, and After the Sunset.
Jon has also been apart of many films as other roles including a set production assistant in Big Momma's House, Spider-Man 3, and Memoirs of a Geisha.