Tahmoh Penikett Tahmoh Penikett

Tahmoh Penikett will guest-star on The CW's superhero series Arrow, TVGuide.com has confirmed.

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The Battlestar Galactica and Dollhouse alum will play Tom Salvati, the right-hand to famed mob boss Frank Bertinelli (Jeffrey Nordling), who is the father of Jessica De Douw's Helena Bertinelli (aka The Huntress).

While Helena attempts to avenge her family's murder and take down her father's empire, she'll cross paths with Oliver Queen (Stephen Amell), who's on a quest of his own to right his family's wrongs. The Huntress will also be a potential love interest for Oliver.

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Penikett, who will reprise his role as Cole Maddox on the Castle premiere, has previously appeared in the DC world, playing two different characters on Smallville.

The casting was first reported by GreenArrowTV.com.

Arrow premieres Wednesday, Oct. 10 at 8/9c.