Aaron Stark is a key character on the ABC drama Flash Forward.

He's a hardworking power lineman who has been to prison and struggles with the death of his daughter, Tracey, who died a couple years ago in Afghanistan, where she worked as a medic. (Or did she?!?)

An alcoholic, Stark is a member of Alcoholics Anonymous. He sponsors Mark Benford. A trustworthy individual, Aaron is the person to whom Mark confides his deepest secrets.