Collins, whose angel character Castiel escaped Purgatory this season, has recurred throughout the series since the Season 4 premiere and was previously a series regular in Seasons 5 and 6. Supernatural is currently in its eighth season.
The 38-year-old actor will also direct an episode in the upcoming ninth season of Supernatural, which was just renewed by The CW.
Are you happy Castiel will be sticking around?
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