- Made his television debut on Sesame Street.
- Was a sous chef after first moving to Los Angeles, and appeared on an episode of Iron Chef America.
- Made his film debut in Roger Corman's Hunt for Eagle One.
- Joined Shameless in season 2 as a recurring role, before being promoted to series regular in season 3.
- Vince McGowan — Father
- Matt McGowan — Brother
- Doug McGowan — Brother
- Emily — Wife
- Brenda McGowan — Mother
- Carleton College, Northfield, Minnesota, United States (2002)
Season 17, Episode 6
- Birth Name: Zachary Brendan McGowan
- Birth Place: New York, New York, United States
- Birthday: October 13, 1981,
- Profession: Actor
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