'The Room' Star Understands Comparisons to Coppola's Polarizing 'Megalopolis'

Francis Ford Coppola either has another masterpiece, or a dud in his new "Megalopolis" movie -- and amid comparisons to "The Room," one of its OG stars is betting on Coppola. Word outta Cannes is that FFC's self-financed passion project is such a…