Undercover Man (1942) | Directed by Lesley Selander

A Hopalong Cassidy Western, one of the long-running entries in the series starring William
Undercover Man is a Hopalong Cassidy Western in which Hoppy goes undercover to infiltrate a gang of rustlers who have been terrorising ranchers. Disguising himself as an outlaw, he works from the inside to expose the criminals, gather evidence, and restore order to the region. The film follows the familiar Hopalong blend of frontier justice, undercover deception, and fast-paced action.

Genre: Western

Director: Lesley Selander

Lesley Selander was one of Hollywood’s most prolific Western directors, with a career spanning over three decades and more than 100 Western features. Known for efficient production, tight pacing, and energetic action sequences, he became a mainstay of B-movie Westerns for studios such as Paramount, RKO, and United Artists. Selander’s work is often praised for its clarity and reliability within the genre.

Star Cast:

William Boyd as Hopalong Cassidy

Andy Clyde as California Carlson

Jay Kirby as Johnny Travers

Antonio Moreno

Robert Mitchum (early, small role – uncredited)

George Reeves

Roy Barcroft

Earle Hodgins

Richard Alexander

As with most Hopalong Cassidy films of the period, audiences received Undercover Man warmly for its dependable mix of action, moral clarity, and frontier heroics. Fans of the series appreciated the undercover angle, which added novelty to the usual formula. Critics considered it a solid, well-paced entry in the long-running franchise.

Fun Facts:

This film is one of the later entries in the Hopalong Cassidy series released through United Artists.

Robert Mitchum appeared in several Hopalong Cassidy films in minor or uncredited roles early in his career; Undercover Man is one of them.

Lesley Selander directed a large portion of the Hoppy films, making him one of the defining visual voices of the franchise.

The film reused several exterior locations familiar from many 1930s and 1940s Westerns due to Republic and UA’s shared production sites.

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