The Rare Breed (1966)

During the 1880s, Martha Price (Maureen O'Hara), a widowed cattle breeder, travels from England to St. Louis with her daughter, Hilary (Juliet Mills). Martha hopes to crossbreed her bull, Vindicator, with American cattle. Martha sells Vindicator to Alexander Bowen (Brian Keith), a wealthy businessman, who hires Sam Burnett (James Stewart) to transport the bulls to Texas. Skeptical of Burnett's intentions, Martha and Hilary decide to accompany him on the trip.