The Mysterious Rider is a 1938 American Western film directed by Lesley Selander and starring Douglass Dumbrille, Sidney Toler, and Russell Hayden. Written by Maurice Geraghty based on the 1921 novel
Theatrical release poster
Douglass Dumbrille
Videos
Douglass Rupert Dumbrille was a Canadian character actor who appeared regularly in films during the Golden age of Hollywood.
Dumbrille in Blonde Savage (1947)
From left to right: Henry Wilcoxon, Dumbrille, Yul Brynner, and others in the trailer for The Ten Commandments (1956)