Over a decade ago, "Glee" actor Grant Gustin guest starred on an episode of the successful but fledgling CW series "Arrow," throwing Stephen Amell's Emerald Archer together with an awkward ...

James Gunn opens up on the rumors about Grant Gustin coming back as The Flash in his DC Universe franchise. While the Arrowverse franchise has ended, many are still hoping to see Gustin return in the ...