Aidan Quinn in the context of Stakeout (1987 film)

Michael Collins is a 1996 biographical historical drama film about Michael Collins, a leading figure in the early-20th-century Irish struggle for independence against the United Kingdom. It is written and directed by Neil Jordan and stars Liam Neeson in the title role, along with Aidan Quinn, Stephen Rea, Alan Rickman, and Julia Roberts. The film was distributed by Warner Bros.

An international co-production between Ireland, the United States, and the United Kingdom, Michael Collins was one of the most expensive films ever produced in Ireland. Filming took place in Dublin, and the score was composed by Elliot Goldenthal.

Legends of the Fall is a 1994 American epic historical Western drama film directed by Edward Zwick, and starring Brad Pitt, Anthony Hopkins, Aidan Quinn, Julia Ormond and Henry Thomas. Based on the 1979 novella of the same title by Jim Harrison, the film is about three brothers and their father living in the wilderness and plains of Montana in the early 20th century and how their lives are affected by nature, history, war, and love. The film's timeframe spans nearly 50 years from the early 20th century; World War I, through the Prohibition era, and ending with a brief scene set in 1963. The film was nominated for three Academy Awards and won for Best Cinematography (John Toll). Both the film and book contain occasional Cornish language terms, the Ludlows being a Cornish immigrant family.

Unknown is a 2011 action thriller film directed by Jaume Collet-Serra and starring Liam Neeson, Diane Kruger, January Jones, Aidan Quinn, Bruno Ganz, and Frank Langella. The film, produced by Joel Silver, Leonard Goldberg and Andrew Rona, is based on the 2003 French novel by Didier Van Cauwelaert published in English as Out of My Head which was adapted as the film's screenplay by Oliver Butcher and Stephen Cornwell. The narrative centers around a professor who wakes up from a four-day long coma and sets out to prove his identity after no one recognizes him, including his own wife, and another man claims to be him.

Released on 18 February 2011, the film received mixed reviews from critics and grossed $136 million against its $30 million budget.