Also known as: "Pirate and the Slave Girl".  An incorrigible Spanish nobleman (played by Massimo Serato) is assigned to infiltrate a vicious band of pirates (led by Lex Barker), in order to retrieve a nobleman's daughter.  Unusual costume adventure also starring Chelo Alonso, Graziella Granata, Luigi Tosi, and others.  Directed by Piero Pierotti.  Dubbed in English, with Greek subtitles.