Here are some options, depending on the specific type of performance:
* A cast - For actors in a play or movie.
* A troupe - For a group of performers, especially in a circus or theater.
* A company - For a group of performers, particularly dancers or musicians.
* A band - For a group of musicians playing together.
* An ensemble - For a group of performers who work together as a unit, often in music or theater.
You can also use more general collective nouns like a group, a team, or a gathering of performers.
Ultimately, the best collective noun depends on the context and the type of performers you are referring to.