"Game of Thrones": 10 Questions for Season 7
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"Arrow" executive producer Marc Guggenheim weighed in on Echo Kellum's role as Mr. Terrific in the upcoming fourth season of the show.
Physicist, lawyer, psychologist, chemist, mathematician, millionaire, superhero. Michael Holt is the genius behind the JSA and Checkmate. Join CBR as we look at the many talents of Mr. Terrific.