what submarine was used in operation petticoat

Does anyone know the name of the actual submarine used in the 1959 movie "Operation Petticoat"? A group of adventurers refloat a WWII German submarine and prepare to use it to pull a very large heist; The Queen Mary. Chief Torpedoman Molumphry, the Chief of the Boat, has been asking for paint. On 26 March, Balao encountered the 880-ton cargo ship, Shinto Maru No. Nobody knows who took the photo, The lead ship of her class, USS Balao (SS-285) was commissioned on February 4, 1943, at Portsmouth Naval Shipyard, Kittery, Maine. Certain that the freighter had been sunk, Balao resumed her patrol of the shipping lanes. [CDATA[/* >