duo
Actors. The performers in any play are called actors.
Artist performer would be the singular. Artist performers is the plural. You could also just say artists or just performers.
There will be 36 different performers.
your nan
No
Two singers are a duo.They might sing a duet, a musical composition for two performers.
Its called a trio when there are three performers together.
Usually, those who walk on stilts for entertainment are called "stilt walkers" or "stilt performers". You can get started pretty easily on stilts from a young age with a pair of fun stilts (see link below).
troupe
Two singers are a duo.They might sing a duet, a musical composition for two performers.
A group of performerstrio
People in the background are called Extras.
People in the background are called Extras.
mimes
A group of 5 performers who perform together is commonly referred to as a quintet.
A set ordered pair is...called a set ordered pair
A group of performerstrio