The young Rosemary, seen running with Gabe in his apartment while smearing paint on the wall, is played by the director's daughter.
The director's mother-in-law appears as one of the guests at the wedding. She's the lady who walks pass Rosemary's parents after we see Rosemary and Gabe going to the dance floor.
Charlie Ray's aunt saw a casting call for the role of Rosemary in a newspaper. She took her niece, who has never auditioned for anything before, to the audition.
Charlie Ray's film debut.
Shot entirely on location in New York.
Charlie Ray grew so much during the shoot that, in some scenes, Josh Hutchinson had to stand on crates to keep their height differences constant in the film.
The first film to sport the official logo of the New York Mayor's Office of Film, Theater, and Broadcasting.
Gabe and Rosemary's on-screen "first kiss" was actually the first kiss for actors Josh Hutcherson and Charlie Ray in real life.
In the scenes where Gabe and Rosemary are talking on the telephone, filmmakers decided not to use cordless phones because they wanted an old-fashioned feel to the movie.