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 ...
Bam Smack Pow on MSN
Why Tom Cavanagh left The Flash after seven seasons (and why Harrison Wells moved on)
As both the Reverse-Flash and Harrison Wells, Tom Cavanagh was a major Arrowverse presence throughout The Flash's run. Here's ...
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