Deliria

The name of this movie is Deliria released in 1987-02-08 and it's main theme is A troupe of struggling stage actors is rehearsing for a small-town production of a play. Everything seems to be as it should until one of the cast members turns up dead. In a panic, the others try to get out, only to find they are now locked in the theater with the killer Which one of them committed the murder, and who will get out alive?.