The facade of the Los Feliz Theatre, 1822 N. Vermont Ave., is seen in Trey Parker's film "Orgazmo" (October Films, 1998) according to Cinema Treasures contributor Shoeshoe14. Who is in it? Trey Parker. Who wrote it? Trey Parker. It's about a young Mormon guy who ends up starring in porno films.
See the page about the Los Feliz Theatre on the Los Angeles Theatres site for more about the building. It's now a triplex operated by Vintage Cinemas.
On IMDb: "Orgazmo"