Aidan Quinn (born March 8, 1959) is an Irish-American actor known for his prolific career and distinctive roles. He gained prominence in the 1980s with films such as *Desperately Seeking Susan* (1985), where he showcased his charisma and ability to embody complex characters.

Among his most significant performances are *The Mission* (1986), *Avalon* (1990), and *Legends of the Fall* (1994). Quinn is often cast as introspective characters, frequently the everyman grappling with moral or emotional dilemmas. His acting style is characterized by a subtle intensity and authenticity that lend depth to his roles, while maintaining a constant presence in film and television.