From Wikipedia:
The film loosely follows the life of J.E.B. Stuart (Errol Flynn) before the outbreak of the American Civil War. Among its sub-plots include a romance with the fictional Kit Carson Holliday (Olivia de Havilland), friendship with George Armstrong Custer (Ronald Reagan), and battles against abolitionist John Brown (Raymond Massey).

Production Company: Warner Bros. Pictures Inc.
Audio/Visual: sound, Black and White