Showcaller

Whoever calls every cue during a performance. In most theatres that's the stage manager, or the DSM in the UK.

Stage managers

Calling the showThe stage manager giving every standby and GO, from the prompt book, during a performance.
Deputy stage managerIn UK practice, the member of stage management who keeps the prompt book, prompts actors in rehearsal and calls the cues in performance.

More in Who does what

Director Producer Stage manager Assistant stage manager Production manager Technical director