John Ford recycled the stampeding of the pony herd sound effect from She Wore a Yellow Ribbon for the rescue charge.
John Wayne later said he considered the movie a parable for the Korean War.
John Wayne wore a smaller hairpiece than usual to make his character look slightly older.
John Wayne's first film with Maureen O'Hara. They starred together five times and would become known as one of Hollywood's greatest on-screen couples.
Ben Johnson (Tyree) and Victor McLaglen (Quincannon) had the same character names in both this film and She Wore a Yellow Ribbon. The oddity is in "She Wore a Yellow Ribbon"--released before this one-- they were older soldiers with higher ranks than in this film.
Film debut of Patrick Wayne.
In order to get approval for a film he very much wanted to make, The Quiet Man, John Ford had to agree to Herbert J. Yates, head of Republic Pictures, to make this film, starring both John Wayne and Maureen O'Hara. Republic believed that "The Quiet Man" would tank at the box office and thought a western would recoup that film's expected losses.
The film was widely criticized for being too studio-bound and for having too many songs. However, Harry Carey Jr. defended the inclusion of songs as authentic, since cavalrymen did sing on a regular basis.
Two stunt men drowned while filming a river crossing sequence.