| Cast |
| Gene Barry |
Dr. Clayton Forrester
|
| Ann Robinson |
Sylvia Van Buren
|
| Les Tremayne |
Maj. Gen. Mann
|
| Robert Cornthwaite |
Dr. Pryor
|
| Sandro Giglio |
Dr. Bilderbeck
|
| Lewis Martin |
Pastor Dr. Matthew Collins
|
| Houseley Stevenson Jr. |
Gen. Mann's aide
|
| Paul Frees |
Second Radio Reporter / Opening Announcer
|
| William Phipps |
Wash Perry
|
| Vernon Rich |
Col. Ralph Heffner
|
|
| Crew |
| Director |
Byron Haskin |
| Writer |
H.G. Wells |
| Writer |
Barré Lyndon |
| Producer |
Frank Freeman Jr. |
| Producer |
George Pal |
|