United States has just acquired Louisiana from France. An expedition led by Lewis and Clark is sent to survey the territory and go where no white man has gone before. Are they able to overcome the dangers with the help of Sacajawea? (full-width)
Fred MacMurray , Charlton Heston , Donna Reed , Barbara Hale , William Demarest , Alan Reed , Eduardo Noriega , Larry Pennell , Julia Montoya , Ralph Moody , Herbert Heyes , Lester Matthews , Helen Wallace , Walter Reed
