<Table> <Tr> <Td> </Td> <Td> This article relies too much on references to primary sources . Please improve this by adding secondary or tertiary sources . (April 2016) (Learn how and when to remove this template message) </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> This article relies too much on references to primary sources . Please improve this by adding secondary or tertiary sources . (April 2016) (Learn how and when to remove this template message) </Td> </Tr> <Table> <Tr> <Th_colspan="2"> Grisha "G ." Callen </Th> </Tr> <Tr> <Td_colspan="2"> NCIS: Los Angeles character </Td> </Tr> <Tr> <Td_colspan="2"> Chris O'Donnell as G. Callen </Td> </Tr> <Tr> <Th> First appearance </Th> <Td> "Legend (Part 1)" </Td> </Tr> <Tr> <Th> Portrayed by </Th> <Td> Chris O'Donnell </Td> </Tr> <Tr> <Th> Other appearances </Th> <Td> <Ul> <Li> NCIS--"Legend (Part 2)" </Li> <Li> Hawaii Five - 0--"Pa Make Loa" </Li> </Ul> </Td> </Tr> <Tr> <Th_colspan="2"> Information </Th> </Tr> <Tr> <Th> Full name </Th> <Td> Grisha Alexandrovich Nikolaev Callen </Td> </Tr> <Tr> <Th> Nickname (s) </Th> <Td> G . </Td> </Tr> <Tr> <Th> Occupation </Th> <Td> NCIS Special Agent </Td> </Tr> <Tr> <Th> Title </Th> <Td> Special Agent - in - Charge </Td> </Tr> <Tr> <Th> Family </Th> <Td> <Ul> <Li> Nikita Alexsandr Reznikov (father) </Li> <Li> Clara Callen (mother, deceased) </Li> <Li> Amy Callen (older sister, deceased) </Li> <Li> George Callen (grandfather, deceased) </Li> <Li> Alexandra Reynolds (half sister) </Li> </Ul> </Td> </Tr> <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> <Tr> <Th> Nationality </Th> <Td> American </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Grisha "G ." Callen </Th> </Tr>

Who played callen's girlfriend on ncis la