That was a great movie in 1999. ( I could go on about how 1999 was a banner year for gay themes: The Talented Mr. Ripley, American Beauty, The Matrix, Star Wars, Eyes Wide Shut... ) It was one of Matt Damon's finest roles.
Highly subtle, charged with homoeroticism, and 3D characters...
I remember seeing Damon on an interview once where he stated that he lost weight and worked out to come into character. It is in contrast to beefing up and toning up for Bourne Identity/Supremacy.
Matt starred in a movie called "The Talented Mr. Ripley". Early in the movie, there is a part where Matt is on a beach in Italy with a lime green lycra square cut that lets viewers see the outline of his dick...