The Heist(1971)

After Goldie, a hooker with a heart of gold, finishes balling Joey, two hoodlums - Sam and Charlie - burst into the room and complain to Joey about some missing moolah. "Big Mike ain't gonna like this," they tell him. Joey agrees that he better ante up or he'll sleep with the fishes. Striking out in his efforts to pay back his debt, Joey finally figures he can score a few grand by cranking out - what else - a porno film!