“Did you know the actor who plays Dewey really has a British accent?
Australian. Damon Herriman. He’s from Adelaide.”
AND he was the horse thief hung by Seth Bullock in the very first scene in the very first episode of “Deadwood”, right before Seth and Sol split for Deadwood in their wagon loaded with goods for their new, Deadwood hardware store.
Yet another "Deadwood"/"Justified" connection.