Ralph Burton is a miner who is trapped for several days as a result of a cave-in. When he finally manages to dig himself out, he realizes that all of mankind seems to have been destroyed in a nuclear holocaust. He travels to New York City only to find it deserted. Making a life for himself there, he is flabbergasted to eventually find Sarah Crandall, who also managed to survive. Together, they form a close friendship until the arrival of Benson Thacker who has managed to pilot his small boat into the city's harbor. At this point, tensions rise between the three, particularly between Thacker, who is white, and Burton, who is black.
| Sound | Miklós Rózsa | Original Music Composer |
| Production | Harry Belafonte | Producer |
| Camera | Harold J. Marzorati | Director of Photography |
| Directing | Ranald MacDougall | Director |
| Production | George Englund | Producer |
| Production | Sol C. Siegel | Executive Producer |
| Editing | Harold F. Kress | Editor |
| Art | Paul Groesse | Art Direction |
| Art | William A. Horning | Art Direction |
| Sound | Franklin Milton | Recording Supervision |
| Crew | Lee LeBlanc | Special Effects |
| Writing | Ranald MacDougall | Screenplay |
| Writing | Ferdinand Reyher | Screenstory |
| Art | Henry Grace | Set Decoration |
| Art | F. Keogh Gleason | Set Decoration |
| Directing | Al Jennings | Assistant Director |
| Costume & Make-Up | Sydney Guilaroff | Hairstylist |
| Costume & Make-Up | Kitty Mager | Costumer |
| Costume & Make-Up | William Tuttle | Makeup Artist |
| Writing | M.P. Shiel | Story |
