Blackie the Pirate(1971)

Isabella (Silviamonti), the sister of the governor of one of the Spanish colonies, has been captured by pirates. Captain Blocky (Terence Hill) buys him from them and tries to take him to the governor with the help of his friend Dan Pedro (George Martin). The pirates who just found out that she is the governor's sister and could get good money for her return, try to get her back and...