To start with, way back when Dillon was first showing up in monthly installments in the gone-but-not-forgotten FRONTIER days, my good buddy Russ Anderson made a suggestion for this good lookin' cat to play Dillon in a movie:
And recently I've found a new contender for the role. I've been enjoying him immensely in his role as John Diggle, the partner of Oliver Queen/The Vigilante/The Hood on ARROW:
David Ramsey certainly has the physicality and acting chops. Doesn't hurt that he's also an accomplished martial artist with a black belt in jeet kune do and he's studied kickboxing.