character - Grote

character - Andrew Vaning

character - Lt. Tremaine

character - Clyde Sutter

character - Eddie "Pel" Pelham

character - Lead Worker-Henchman (Oil Drillman)

character - Henry Simmons

character - H.H. Treadway (uncredited)

character - Bill Martin

character - Lance Reardon

character - Hilton Payne

character - Henchman Remy

character - D. Liptine

character - Lance Reardon