It was released in the United States by American International Pictures as Secret Agent Fireball (to exploit the earlier 007 film, Thunderball) and double billed with Spy in Your Eye.
Secret Intelligence Service | Victoria's Secret | free agent | The Secret Garden | United States Secret Service | On Her Majesty's Secret Service (film) | On Her Majesty's Secret Service | Agent Orange | agent | secret society | Secret Service | Talent agent | double agent | Secret Invasion | Secret Warriors | literary agent | Victoria's Secret Fashion Show | The Secret Storm | The Secret Life of the American Teenager | Secret Water | Political Agent | Vatican Secret Archives | Secret of the Rosary | Secret Garden Party | Secret Diary of a Call Girl | My Secret Identity | Free agent | The Secret Millionaire | The Secret Life of Walter Mitty | Secret Wars |