Tahmoh Penikett

Supernatural has cast Battlestar Galactica alum Tahmoh Penikett to guest-star on an upcoming episode, TVGuide.com has learned.

Penikett will first appear in the season premiere (Oct. 8 at 9/8c on The CW), which will pick up after Metatron expelled the angels from Heaven. He will play an angel named Ezekiel, whom showrunner Jeremy Carver described as "a dignified warrior angel injured in the Fall."

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Carver told fans last month at Comic-Con that the Winchesters will be "knee-deep in angel problems" this season. However, whether or not Sam and Dean will help an angel will be determined on a case-by-case basis.

Penikett is best known for his role as Karl "Helo" Agathon in Battlestar Galactica and has also appeared on Dollhouse, Arrow and Continuum.

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(Full disclosure: TVGuide.com is owned by CBS, one of The CW's parent companies.)