Jack Armstrong
RADIO'S ALL-AMERICAN BOY LEAPS INTO AN ALL-THRILL, ALL-TIME HIGH IN SERIAL ADVENTURE!
300 mins
15 episode serial where Jack Armstrong, the All-American Boy, battles the evil Dr. Grood, who has placed a death ray aboard his spaceship orbiting Earth.
Lewis Clay
Screenplay
Leslie Swabacker
Screenplay
George H. Plympton
Story
Royal K. Cole
Screenplay
Arthur Hoerl
Screenplay