Manhattan Gigolo (1986)

Italians Johnny and Rudy are two friends looking for work as actors in New York City. They meet beautiful model and actress Leslie and start a sexual relationship with her as a threesome. However, she's actually also secretly working on the side as a sex performer for voyeurs, and she convinces them to join her in this somewhat shady and controversial but highly lucrative business endeavor. However, things don't go as planned.