Burn 'Em Up O'Connor (1939)
An auto mechanic suspects sabotage in a recent series of fatal racecar accidents.
Directed by: Edward Sedgwick
Starring: Dennis O'Keefe, Cecilia Parker, Nat Pendleton, Harry Carey, Addison Richards, Charley Grapewin
Links: Metro-Goldwyn-Mayer, IMDb, Movie posters, Movie stills