At a theatre, a stage manager is the person who is responsible for the scenery and lights and for the way that actors or other performers move about and use the stage during a performance.
stage manager in British English
noun
a person who supervises the stage arrangements of a theatrical production
stage manager in American English
an assistant to the director of a play, in overall charge backstage during the actual performances
Examples of 'stage manager' in a sentence
stage manager
He went on to become a stage manager.
Times, Sunday Times (2006)
For the touring production, the stage manager is a former performer.
Times, Sunday Times (2009)
She had to leave school aged 16 and worked in a tax office and as an assistant stage manager for a theatre group.