Once you’re in at The CW, you’re in. If you’re hot enough and talented enough to star in one of the network’s shows, they tend to let you stick around for a while, whether you're starring in your own show or appearing in a guest role on another one of their hits.

Did you know that one Arrow star was lucky enough to get their supernatural on for two episodes of The Vampire Diaries? It’s not too hard to imagine the Starling City folks taking a road trip to Mystic Falls, right? But who’s been able to add “playing a werewolf” to his or her resume — Stephen Amell, Colton Haynes, or Emily Bett Rickards?

Wetpaint Entertainment asked Viggle users during the February 26 episode of Arrow — Season 2, Episode 14 (“Time of Death”) — and the results are in.

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The votes were split between Colton and Emily, who drew 21 and 22 percent of the vote, respectively. While we could totally see these two as Vampire Diaries characters, they haven’t had the opportunity to cross over — yet! That means 57 percent of Viggle users correctly guessed that Stephen has had a howling good time over at TVD.

If you’ve forgotten who Stephen played, here’s a refresher. He appeared as Brady, a werewolf and friend of Mason Lockwood, who appeared in two episodes back in Season 2: “Daddy Issues” and “Crying Wolf.”

When Mason went missing, Brady and his werewolf pack arrived in Mystic Falls to avenge his death, leading him to torture Caroline, capturing Elena in order to lift the hybrid curse, and get himself killed by Stefan.

Do you want to test your TV knowledge? Not only is it easy, but you also get rewarded just for watching your favorite shows! All you have to do is download the Viggle app, get watching, and check into Viggle LIVE!

Carson Blackwelder is an Assistant Editor at Wetpaint Entertainment. Follow him on Twitter and Google+!