To say an actor is an actor no matter which stage they're on is discounting the different set of skills needed to act on a stage rather than on a set.Stage actors must emote, project their voices and move about the space...
https://www.neatorama.com/2016/05/11/Timothy-Olyphants-Masterclass-On-Stage-Vs-Screen-Acting/
Timothy Olyphant's Masterclass On Stage Vs. Screen Acting...
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