The 1985 movie Clue at Wealthy Theater

Cult classic movie based on the board game, originally released with 3 different endings and featuring Tim Curry and a host of stars. Meet in the theater vestibule at 7:15 for the 7:30 movie.
Clue finds six colorful dinner guests gathered at the mansion of their host, Mr. Boddy -- who turns up dead after his secret is exposed: He was blackmailing all of them. With the killer among them, the guests and Boddy's chatty butler must suss out the culprit before the body count rises.
Ticket link and more info
https://grcmc.org/event/clue/1762