Watch Frontier Vengeance (1940) : Full Movie Online Free Jim Sanders (Don 'Red' Barry), young cowboy, returns to his hometown for a reunion with his boyhood friend Clay Blackburn (George Offerman Jr.). Once there he learns that Clay's father, Frank Blackburn (Ivan Miller), is the unscrupulous proprietor of a stagecoach line and is out to bankrupt the line run by Joel Hunter (Griff Barnett' ), the father of Jim's sweetheart Ruth Hunter (Betty Moran). Jim is forced to lead the fight against his best friend.