What is the collective noun for theater?

There isn't one single, universally accepted collective noun for "theater". However, here are some options that are commonly used, depending on the context:

General:

* A company of actors

* A troupe of performers

* A group of actors

Specific:

* A cast of players (referring to the actors in a particular play)

* A repertory of plays (referring to a collection of plays)

* A circuit of theaters (referring to a group of theaters)

Ultimately, the best collective noun will depend on what you are trying to describe.