Donald Woods
Captain Bob Dayton
Acting
Kathryn Adams
Mary Blake
Acting
Robert Armstrong
Lieutenant Ed Carey
Acting
Eduardo Ciannelli
Felix Lynx
Acting
Jacqueline Dalya
Innis Clair
Acting
Billy Halop
Tim Bryant
Acting
Reed Hadley
Caddens
Acting
Irving Mitchell
R.S. Hinchfield
Acting
Edgar Edwards
Henchman Teal [Chs. 3-6]
Acting
John Holland
Henchman Hess
Acting
Roy Gordon
Maj. Gen. Fletcher [Chs. 1-2, 4, 11-12]
Acting
Alex Callam
Capt. Long [Chs. 1-2, 4, 11-12]
Acting
Phil Warren
Bakeman [Ch. 4] (as Philip Warren)
Acting
Bill Cody Jr.
Jack Hurd
Acting