Michael Zegen

Michael Jonathan "Mike" Zegen is an American actor, best known for his role as probie firefighter Damien Keefe on the FX Network television drama Rescue Me, as well as his recurring role as Dwight the Troubled Teen on over 50 episodes of the Late Show with David Letterman.

Zegen's father is a lawyer and his mother is a teacher. He has two brothers. He is Jewish, and his grandparents are Holocaust survivors. Zegen is a 2001 graduate of Skidmore College. He is a member of the New York City sketch comedy troupe "Hottie$ Galore".

His role on Rescue Me began as a recurring character in Seasons 1-3, playing the nephew of series lead Tommy Gavin (Denis Leary). In Seasons 5-6, he was promoted to the main cast when his character began probie school to become a firefighter.

In late 2010, Zegen was officially cast as gangster Bugsy Siegel for the second, third and fifth season of the HBO series, Boardwalk Empire. In 2011 Zegen, along with James Ransone, were cast in supporting roles in the HBO comedy series How To Make It In America. In mid-2011, Zegen was cast in a recurring guest role in the second season of the AMC series The Walking Dead. In 2014 he created the role of Liam off-Broadway in the dark comedy Bad Jews.