Richard Bailey

as Grote

as Andrew Vaning

as Lt. Tremaine

as Clyde Sutter

as Eddie "Pel" Pelham

as Lead Worker-Henchman (Oil Drillman)

as Henry Simmons

as H.H. Treadway (uncredited)

as Bill Martin

as Lance Reardon

as Hilton Payne

as Anton Bartonek (uncredited)

as Henchman Remy

as D. Liptine

as Lance Reardon