The Leather Saint

• 1956 drama starring John Derek as an Episcopalian minister living a double life, by keeping up his college days interest in boxing by working out at a gym run by his friend. He declines when fight manager Gus McAuliffe (Paul Douglas) offers to get him some bouts but, spurred by the need for a new iron lung and a swimming pool in his community, he takes on a fight, without disclosing his true profession.
• Appearance by Lou Nova
• IMDb link