Burn 'Em Up O'Connor 1939

Synopsis:

An auto mechanic suspects sabotage in a recent series of fatal racecar accidents.

Directed by: Edward Sedgwick
Written by: Byron Morgan & Milton Merlin
Runtime: 70 minutes
Tagline: You'll gasp! You'll howl! You'll thrill!
Cast:
Dennis O'Keefe
Dennis O'Keefe
Jerry O'Connor 
Cecilia Parker
Cecilia Parker
Jane Delano 
Nat Pendleton
Nat Pendleton
Buddy Buttle 
Harry Carey
Harry Carey
P.G. Delano 
Addison Richards
Addison Richards
Ed Eberhart 
Charley Grapewin
Charley Grapewin
Doc Heath