The farm scene was filmed at the Knuth Farm in Denville, NJ.
Director Cameo: [Paul Bogart] auditions as one of the dancing partners.
Matthew Broderick, playing Alan in the movie, originated the role of David on stage.
Matthew Broderick was asked to do the role of Alan, but he felt it was too soon after his auto accident in Ireland. He didn't reply to the producers, so Tate Donovan was cast instead. The second day of rehearsals, Broderick called Harvey Fierstein on set and agreed to do the role.
Writer Harvey Fierstein wanted to create a role to highlight the work of Charles Pierce so he added scenes to the role of Bertha Venation in honor of him.
Paul Joynt played the role of Allen in the original Broadway cast of "Torch Song Trilogy".
The person living next door to the doorway used for the sequence at the end of the movie where the actors are performing in front of Arnold's doorway did not give permission to film outside his home. When the director would shout, "Action," the resident would either put his radio or television really loud, or open his door, thus ruining the shot. The crew got really fed-up with his antics so they nailed his door shut, which caused a law suit to be filed against New Line.
The idea for the Stud Bar came from an actual bar in New York that was known for its infamous "back room" called The International Bar. Patrons though, when speaking of the bar, would insert the word "stud" after the word "international" and the name stuck after many years.
Harvey Fierstein won the 1983 Tony Award (New York City) for Actor in a Drama for "Torch Song Trilogy" and for Author of the best Play and recreated his stage role in the movie version.
The original Broadway production of "Torch Song Trilogy" by Harvey Fierstein opened at the Little Theater in New York on June 10, 1982, ran for 1222 performances and won the 1983 Tony Award for the Best Play.