<Li> George Callen (grandfather, deceased) </Li> <Li> Alexandra Reynolds (half sister) </Li> <Tr> <Th> Significant other (s) </Th> <Td> <Ul> <Li> Kristen Donnelly (ex-girlfriend) </Li> <Li> Joelle Taylor (ex-girlfriend) </Li> <Li> Anna Kolcheck (girlfriend) </Li> </Ul> </Td> </Tr> <Ul> <Li> Kristen Donnelly (ex-girlfriend) </Li> <Li> Joelle Taylor (ex-girlfriend) </Li> <Li> Anna Kolcheck (girlfriend) </Li> </Ul>

Who plays callen's sister on ncis la