Bryce Johnson is headed to Chicago. Sort of.

The Pretty Little Liars actor, best known for playing Detective Darren Wilden on that ABC Family smash, will be a part of the upcoming Supernatural spinoff in som capacity.

His role is unknown but Johnson Tweeted the news yesterday.

Getting ready to head to #Vancouver to shoot #Supernatural spinoff #bloodlines w/ #PLL alums @onlyseanfaris and @natebuzz #PLLFamily," Johnson wrote.

Supernatural: Bloodlines tracks a werewolf named Violet (Melissa Roxburgh) and her lost interest/family rival David (Nathan Buzulic).

According to The CW, the spinoff is a “sweeping drama about the various mafia-esque monster families that, unknowingly to humans, run the underbelly of Chicago and who are being tracked by a newly minted hunter who’s trying to stop them and rid Chicago of anything or anyone supernatural."

The backdoor pilot will air in April as part of Supernatural Season 9.

And it's not the only show plotting a follow-up. Here's a look at a few other spinoffs in the works:

Upcoming Spinoffs: Which Has You Most Excited?

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Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.