He is an Italian immigrant who provides taxi service to and from the airport. Antonio is mild-mannered, deferential, and hopelessly romantic; he falls head-over-heels for Helen's older sister Casey when she returns to Nantucket, though his feelings are not reciprocated. Antonio was originally a waiter, and made a guest appearance in the second season in this role before becoming an official cast member in the third season (by which time he had changed professions). He is often seen wearing a bow tie when in more formal clothes.