Bob Steele plays a Boy in Blue in the low-budget western Cavalry. The diminutive Steele leads his troopers against all manner of dangerous foes, all for the benefit of leading-lady Frances Grant. Naturally, Steele is also trying to avenge the murder of his father, just as he'd done in his previous 30 films. Steele's real-life father Robert Bradbury warmed the director's chair for Cavalry. Produced by A. W. Hackel's Spectrum Pictures, the film was distributed by Republic. ~ Hal Erickson, Rovi