Aidan Quinn is an Irish-American actor. He made his film debut in 1984 in Reckless. His films include Desperately Seeking Susan, The Mission, Stakeout, Benny and Joon, Legends of the Fall, Frankenstein, and Michael Collins. He currently plays Captain Thomas "Tommy" Gregson in the CBS television series Elementary.
- Born: March 8, 1959 (age 58), Chicago
- Spouse: Elizabeth Bracco (1987-09-01 to present - Marriage)
- Aliases: Aidan T. Quinn
- Children: Ava Eileen Quinn, Mia Quinn
- Height: 6′ 0″ (1.83m)