This document provides an overview and outline of acting for the stage. It discusses three main challenges of acting: making characters believable, physical acting involving voice and body, and the synthesis and integration of these skills. To make characters believable, it describes Konstantin Stanislavski's system of realistic acting and how modern approaches have built upon this. It also discusses the importance of physical training, including voice, body, and techniques from other disciplines. The document outlines exercises and tasks to develop performers' skills and notes additional demands placed on actors in different theatrical styles. It concludes that audience members should understand acting techniques to properly judge performances.