To make Chris O'Donnell appear to be much taller than Minnie Driver than he really is, she had to walk in a ditch when they were filming the scene of their stroll in Knockglen.
Colin Firth was the only actor in the movie not to speak with an Irish accent.
For a time during the 1990s, Saffron Burrows (Nan) and Alan Cumming (Sean) were engaged to be married. When they did finally marry other people, both married members of the same sex: Cumming married his longtime boyfriend Grant Shaffer, and Burrows married writer and co-mother to their two children Alison Balian.