| CAST | CONNECTIONS | |
|---|---|---|
| Wendell Corey | Adm. David King | » [815] AGENT FOR H.A.R.M. |
| Keith Larsen | Cmdr. Scott | |
| John Agar | Dr. Farrell | » [803] THE MOLE PEOPLE » [801] REVENGE OF THE CREATURE |
| Paul Gilbert | Lt. Red Bradley | |
| Merry Anders | Lt. Karen Lamont | |
| Irene Tsu | Linda | |
| Robert Ito | Tang (as Roberto Ito) | » [K13] SST DEATH FLIGHT |
| Stuart Margolin | Chief | |
| Todd Lasswell | Lt. Charles Anderson, Tang's Father... | |
| Kam Tong | Jung | |
| Ron Stokes | Sgt. Allen | |
| Adam Roarke | Harris | |
| Paul Hampton | Wilson | |
| Ronald Lyon | Sgt. Nevins (as Ron Lyon) | |
| Sally Frei | Sally | |
| Suzie Kaye | Ens. Stevens | |
| Hans Wedemeyer | Jang | |
| Glenn Langan | Capt. Ross | » [309] THE AMAZING COLOSSAL MAN » [319] WAR OF THE COLOSSAL BEAST |
| Anthony Lee | Navigation Officer (as Lee... | |
| Joyce Carol | Centaurian Girl on Ship | |
| Jamie McRae | Sgt. Long (as Jamie Mc Rae) | |
| Joanne Miya | Zenda, Tang's Mother | |