Final answer:
In a play, the individuals who perform the dictated actions are called actors. They work with directors and designers to bring the play to life on stage, creating a unique live experience for the audience.
Step-by-step explanation:
The individuals who perform the actions dictated by a play's plot are the actors. These individuals give life to the characters written by the playwright, becoming the voice and body of each character. Actors work under the guidance of the director, who is responsible for the overall vision and staging of the play. The director, along with the set designer, costume designer, light designer, prop designer, and sound designer, helps to create the world in which the characters live and interact, aiding in the storytelling that captivates the audience. Moreover, the producer plays a vital role by financially supporting the show, ensuring that the artistic and technical elements can be realized. The collaboration among these creative roles, along with the actors' performances, results in a live theatrical experience that's never exactly the same on any two nights, making theater a unique and dynamic form of art.