There's gunplay and gumption galore in "Marshal of Gunsmoke," a Tex Ritter adventure about a lawman trying to prevent a crooked gang from rigging elections in a frontier outpost. With Russell Hayden and Fuzzy Knight. And, Ritter and Knight are two pals whose purchase of horses for the cavalry is interrupted by the unscrupulous work of a couple of wicked nasties and a masked female outlaw in "Oklahoma Raiders." Jennifer Holt, Jack Ingram co-star. 113 min. total. Standard; Soundtrack: English.