Sergio Martino (born 19 July 1938 in Rome, Italy) is an Italian film director and producer, notable for his contributions to the giallo genre.

Martino is the brother of producer Luciano Martino. They collaborated frequently in their respective professions. Their grandfather was director Gennaro Righelli.

Martino worked for both the big screen as well as for Italian television (where he does most of his current work).

He often worked with actress Edwige Fenech who in the 1970s was married to his brother Luciano. He also worked with a lot of genre actors such as George Hilton, Ivan Rassimov and Claudio Cassinelli, as well as famed Italian screenwriter Ernesto Gastaldi.

Martino's pseudonyms include: Julian Barry, Martin Dolman, Serge Martin, Christian Plummer, George Raminto.

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