from Ireland before he was born, but he spent most of his childhood split between Illinois and Ireland
Trained at the Piven Theatre Workshop in Evanston, IL, run by Jeremy Piven's father, Byrne, and made his stage debut opposite Byrne Piven in 1979 in The Man in 605
Made his film debut in the 1984 drama Reckless, but made his name a year later in Desperately Seeking Susan and the TV-movie An Early Frost
The 1998 romantic drama This Is My Father starred Aidan, was written and directed by his brother Paul, with cinematography by brother Declan and featured a cameo by his sister Marian
Brother-in-law of actress Lorraine Bracco
Works with several autism-related organizations; his daughter, Ava, was diagnosed with the disorder when she was a toddler