Desc: Speed Demon: Directed by D. Ross Lederman. With William Collier Jr., Joan Marsh, Wheeler Oakman, Robert Ellis. A mechanic works for his sweetheart's father, who builds racing boats. He begs for and gets the chance to race a new-design boat, but his rival gets him intoxicated before the race and he wrecks the boat. Now he has to make good and show he has the right stuff.