An American agent discovers that the Red Chinese have built a secret atomic city from which they will attempt to invade America.
| Release Date | October 21, 1965 | |
|---|---|---|
| Status | Released | |
| Original Title | Agente S 03: Operazione Atlantide | |
| Runtime | 1h 40min | |
| Budget | — | |
| Revenue | — | |
| Language | English, Italian | |
| Original Language | Italian | |
| Production Countries | Spain, Italy | |
| Production Companies | FisaSplendor Films | |