A repertory group is a group of actors who perform in a variety of plays. The term 'repertory group' is often used to refer to a theater company that performs a range of plays, rather than just one production. The crossword solution for the term 'repertory group' is CAST, which is an acronym for 'Company of Actors and Stage Technicians'. This acronym is used to refer to the members of a repertory group, who are responsible for both acting and technical aspects of a production.