What distinguishes a stage actor's performance from that of a modern film actor?

The distinction between a stage actor's performance and that of a modern film actor largely comes down to the methods of communication and audience engagement utilized in live theater compared to film. Stage actors typically convey emotion and character through larger gestures and more exaggerated expressions. This is necessary because they need to reach an audience that is often seated far away and may not have the intimate proximity that camera work provides in film.

In contrast, film actors rely on subtle facial expressions and nuanced movements, as the camera can capture small details and convey emotions that may not be visible to a distant theater audience. The close-up shots in cinema allow film actors to express a range of emotions with a minimal amount of movement.

This focus on physicality is essential in theater, where performances are often more animated to ensure that every audience member can perceive the emotional weight and narrative of the performance, regardless of their seat location. Thus, the correct answer highlights this essential aspect of stage acting that sets it apart from film.