<Tr> <Th> Preceded by </Th> <Td> Serena Southerlyn </Td> </Tr> <Tr> <Th> Succeeded by </Th> <Td> Connie Rubirosa </Td> </Tr> <P> Alexandra Borgia is a fictional character, played by Annie Parisse, who appeared on the long - running NBC drama series Law & Order from 2005 to 2006 . Appearing in only 33 episodes, she is the shortest serving ADA in the series' history . </P> <P> Borgia first appears in the episode "Fluency", having been appointed by DA Arthur Branch (Fred Thompson) as a replacement for Serena Southerlyn (Elisabeth Röhm). She principally assists Jack McCoy, but she also conducts detailed investigations, arraignments and hearings independent of McCoy and Branch . Prior to her last appointment, Borgia was engaged in trying many drug cases, which resulted in frequent kudos from police officers and fellow attorneys . She was also respected among her colleagues for her intelligence and adroit manner in preparing a case for prosecution . When asked by Detective Joe Fontana if her name was Italian, she answered that it was from Italy, France and Spain and that she still had relatives in Venice . She is a Christian and regularly goes to church . </P>

Who played ada borgia on law and order