'The Flash' At Comic-Con: Grant Gustin On The Effects The Speed Force Has On Barry

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At Comic-Con 2017, "The Flash" star Grant Gustin tells AccessHollywood.com about the effects that the Speed Force has had on his character, Barry Allen. Plus, Grant suggests that Season 4's tone will be lighter.

Tags: Access hollywood, ComicCon17, television, ComicCon2017, SDCC2017, barry allen, Hollywood, Interviews, cw, Celebrity news, iris west, SDCC 2017, Access, SDCC, entertainment, Grant Gustin, celebrity, gossip, comic-con 2017, Comic-Con, Breaking News, entertainment news, comiccon, candice patton
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