1977 saw the release of a screen adaptation of Short Eyes, an acclaimed Broadway play written by noted Puerto Rican playwright Miguel Pinero. At the time, a young aspiring Puerto Rican character actor named Luis Guzman was starting out his career and his first appearance in front of a camera was a job as an extra in Short Eyes. You can first see him at the 1:14 mark as the prisoner with the ginormous afro.