Zap2it has confirmed that Kevin McNally will play the old "friend" of Bobby's, who helps the Winchesters out of a jam... reluctantly.
For right now, Frank is only set to appear in one episode, but as part of the hunters' network, there's always a possibility for a return. Hopefully, Frank fares better than the last genius who got caught in the Winchester web -- may Ash (Chad Lindberg) rest in peace.
The episode will also feature recurring "Supernatural" character Sheriff Jody Mills, a friend of Bobby's played by Kim Rhodes.
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