Misha Collins

Supernatural's Misha Collins is set to appear in an upcoming episode of Ringer, TVGuide.com has learned exclusively.

Collins, best-known for playing Castiel on The CW series, will play Dylan, someone from Bridget and Siobhan (Sarah Michelle Gellar)'s past when they were in Tahoe. Dylan was part of the reason there was a wedge driven between the sisters.

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The 37-year-old actor, whose credits also include Nip/Tuck, ER and 24, will first appear in Episode 14.

Ringer airs Tuesdays at 9/8c on The CW.