The Last Outpost a.k.a. Cavalry Charge (1951)
The Last Outpost is a film produced in 1951, set in the Civil War period with brothers on different sides of the War. The cast includes Ronald Reagan as Captain Vance Britton. The Last Outpost casts Reagan and Bruce Bennett who are brothers and who have split their loyalties during the Civil War. Fate has brought them together in the west with Bennett taking command of a Federal outpost in Arizona territory to deal with a band of pesky Confederate raiders. Little does Bennett know that Reagan is commanding those raiders and little does Reagan know that the girl he left behind played by Rhonda Fleming is out west and unhappily married to trading post owner John Ridgely.