Only the Valiant (1951), produced by William Cagney Productions, is a gripping Western war film set in the post-Civil War American frontier. Starring Gregory Peck as Captain Richard Lance, the story follows a principled and disciplined cavalry officer who is given a dangerous mission: to hold off an advancing Apache war party by defending a remote mountain pass with a small band of outcast soldiers. As tensions rise and loyalties are tested, Lance must confront internal conflict and external threats to lead his men with courage and honor. The film explores themes of leadership, sacrifice, and redemption against a backdrop of rugged landscapes and frontier warfare. With strong performances and a tightly woven plot, Only the Valiant remains a classic example of 1950s military Western cinema.