A group of actors in a play is called the cast.
The cast is the group of actors who perform the roles of the characters in a play, movie, or other theatrical production. They are responsible for bringing the story and characters to life through their acting and portrayal of the script. The cast members work together to rehearse and perform the production, with each actor taking on a specific role as assigned by the director. The cast is a crucial part of any theatrical production, and their performances can greatly impact the success and overall quality of the production.