Thespis

(noun)

Thespis was the first person in ever to appear on stage as an actor playing a character in a play instead of speaking as him or herself

Examples of Thespis in the following topics:

Successful Rehearsing Habits: Mimic Timing and Context
- You are yourself, not an actor on the stage like Thespis; you want to focus on bring out your own natural conversational style.