Answer: House Manager is in charge
Explanation: Key duties of the house manager may include: recruiting or supervising recruiting of all house workers (ushers, greeter, refreshment or souvenir seller, etc.); coordinating building opening times on show nights with stage manager; orienting and training all house workers; explaining how tickets are to be taken and where they are to be stored; checking rest rooms after intermission and at end of night; cleaning house area and restocking supplies; along with the stage manager, ensure all lights are turned off after each show and all doors are locked, and that no water is left running.
