Clay Allison
S2, E5: A businessman eager to end Earp's war on crime asks notorious gunman Clay Allison to kill him; after Kelley warns Wyatt about the gunman's skill, Wyatt uses psychological tactics to gain the upper hand.

S2, E5: A businessman eager to end Earp's war on crime asks notorious gunman Clay Allison to kill him; after Kelley warns Wyatt about the gunman's skill, Wyatt uses psychological tactics to gain the upper hand.