From 1964's Guns of Diablo all the way to ... Even after over 30 years, Tombstone remains the best Western movie Kurt Russell ever made, and he owes a lot of its success to Gunsmoke.

Billy Wade is an ex-gunslinger who is approached by his outlaw brother Matt, not long out of prison, to help him with a big-time robbery. Matt forces Billy's participation with an offer he cannot ...