The Seniors

The Seniors sometimes The Senior or simply Seniors is a 1978 comedy film about four college seniors who open a bogus sex clinic, which unexpectedly mushrooms into a multimilliondollar business. The films features Dennis Quaid in one of his earliest roles and Alan Reed the original voice of Fred Flintstone in his final film appearance.

Jeffrey Byron, Gary Imhoff, Dennis Quaid, Lou Richards, Rocky Flintermann, Priscilla Barnes, Alan Reed

Source: Wikipedia