The Secret Door
World War II espionage in Lisbon with Allied safe-crackers cultivating a master spy and his wife so they can steal Japanese codes that are keys to Axis battle plans.
| Release Date | June 4, 1964 | |
|---|---|---|
| Status | Released | |
| Original Title | The Secret Door | |
| Runtime | 1h 12min | |
| Budget | — | |
| Revenue | — | |
| Language | English | |
| Original Language | English | |
| Production Countries | United Kingdom, United States of America | |
| Production Companies | Dorton ProductionsTifeshire Productions | |