Cast
Gerald MohrCol. Thomas O`Bannion
Naura HaydenDr. Iris Ryan
Les TremayneProf. Theodore Gettell
Jack KruschenCWO Sam Jacobs
Paul HahnMaj. Gen. George Treeger
J. Edward McKinleyProf. Paul Weiner- Tom DalyDr. Frank Gordon
- Don LamondTV Newscaster / Narrator / Martian (voice)
- Edward InnesBrig. Gen. Alan Prescott
- Gordon BarnesMaj. Lyman Ross
- Jack HaddockLt. Col. Davis
- Brandy BryanNurse Hayes
- Joan FitzpatrickNurse Dixon
- Duke NortonDr. Muller
- William RemickDr. Hawley
