Supernatural Season 10 Episode 21
Dark Dynasty
Dean and Sam investigate a bizarre murder and realize the killer bears the same tattoo as those from the Styne family. Meanwhile, Castiel acts as referee when Charlie and Rowena are forced to work together on the Book of the Damned. When Crowley discovers that his mother is missing, he turns to an old enemy for help.
Guest Stars
David Hoflin
Eldon Styne
Markus Flanagan
Monroe Styne
Matt Bellefleur
Eli Styne
Ryan Dumontel
Minion #1
Lee Shorten
Minion #2