Below you can find the This actor of the sixth century b.c. is credited with introducing the use of a second actor on stage Jeopardy Words Answer. The answer to This actor of the sixth century b.c. is credited with introducing the use of a second actor on stage has 7 letters. This clue belongs to the Ancient greeks category and is part of Jeopardy Word Level 1586. If you scroll near the bottom you will find other clues and answers part of level 1586