Captain Bob Dayton and Lieutenant Ed Carey are partners in a company called "Sky Raiders" which seeks US government contracts for its inventions. Enemy spies attempt to steal, sabotage and discredit the inventions and founders of the company.
| Actor | Role |
|---|---|
 Donald WoodsCaptain Bob Dayton | Captain Bob Dayton |
 Kathryn AdamsMary Blake | Mary Blake |
 Robert ArmstrongLieutenant Ed Carey | Lieutenant Ed Carey |
 Eduardo CiannelliFelix Lynx | Felix Lynx |
 Jacqueline DalyaInnis Clair | Innis Clair |
 Billy HalopTim Bryant | Tim Bryant |
 Reed HadleyCaddens | Caddens |
| IIrving MitchellR.S. Hinchfield | R.S. Hinchfield |
 Edgar EdwardsHenchman Teal [Chs. 3-6] | Henchman Teal [Chs. 3-6] |
 John HollandHenchman Hess | Henchman Hess |
 Roy GordonMaj. Gen. Fletcher [Chs. 1-2, 4, 11-12] | Maj. Gen. Fletcher [Chs. 1-2, 4, 11-12] |
 Alex CallamCapt. Long [Chs. 1-2, 4, 11-12] | Capt. Long [Chs. 1-2, 4, 11-12] |
| PPhil WarrenBakeman [Ch. 4] (as Philip Warren) | Bakeman [Ch. 4] (as Philip Warren) |
 Bill Cody Jr.Jack Hurd | Jack Hurd |