House manager

The person in charge of the audience: seating, safety, latecomers, and telling the stage manager when the house is ready.

Producers

Front of houseEverything on the audience side: the lobby, box office, ushers and the house manager who looks after the audience.
House openThe moment the audience is let in. From then on the stage is set and no one wanders on it.

More in Who does what

Director Producer Stage manager Assistant stage manager Deputy stage manager Production manager