You can't make theater happen without actors. The actor is the central ingredient in making theater happen. Audiences may come to theaters to see the work of stage managers, directors and producers, but the only people who can communicate theater magic to audiences, through ideas and emotions, are the actors. They are the only ones who can communicate this by themselves, and if necessary, they can get along without you. But you can't make theater without the actor.
Laurence SterneCertainly it was ordained as a scourge upon the pride of human wisdom, that the wisest of us all, should thus outwit ourselves, and eternally forego our purposes in the intemperate act of pursuing them.
Laurence SterneThere is no definitive list of the duties of a stage manager that is applicable to all theaters and staging environments. Regardless of specific duties, however, the stage manager is the individual who accepts responsibility for the smooth running of rehearsals and performances, on stage and backstage.
Laurence Sterne