<Table> <Tr> <Th_colspan="2"> Addison Montgomery </Th> </Tr> <Tr> <Td_colspan="2"> Grey's Anatomy & Private Practice character </Td> </Tr> <Tr> <Td_colspan="2"> Kate Walsh as Addison Montgomery in Private Practice . </Td> </Tr> <Tr> <Th> First appearance </Th> <Td> Grey's Anatomy: "Who's Zoomin' Who?" (1.09) May 22, 2005 (as guest star) "Something To Talk About" (2.07) November 6, 2005 (as series regular) Private Practice: "In Which We Meet Addison, a Nice Girl From Somewhere Else" (1.01) September 26, 2007 </Td> </Tr> <Tr> <Th> Last appearance </Th> <Td> Grey's Anatomy: "Didn't We Almost Have It All?" (3.25) May 17, 2007 (as series regular) "If / Then" (8.13) February 2, 2012 (as special guest) Private Practice: "In Which We Say Goodbye" (6.13) January 22, 2013 </Td> </Tr> <Tr> <Th> Created by </Th> <Td> Shonda Rhimes </Td> </Tr> <Tr> <Th> Portrayed by </Th> <Td> Kate Walsh </Td> </Tr> <Tr> <Th_colspan="2"> Information </Th> </Tr> <Tr> <Th> Occupation </Th> <Td> Obstetrician - gynecologist at Seaside Health & Wellness Fetal and neonatal surgeon at St. Ambrose Hospital Obstetrician - gynecologist at Oceanside Wellness Group (former) Fetal and neonatal surgeon at Seattle Grace Hospital (former) </Td> </Tr> <Tr> <Th> Title </Th> <Td> <P> Director Of Seaside Health & Wellness Chief Of OB / GYN and Neonatal Surgery at Seattle Grace Hospital (former) </P> M.D. F.A.C.S. F.A.C.O.G. </Td> </Tr> <Tr> <Th> Family </Th> <Td> Beatrice "Bizzy" Forbes Montgomery (mother, deceased) "Captain" Montgomery (father) Archer Forbes Montgomery (brother) </Td> </Tr> <Tr> <Th> Spouse (s) </Th> <Td> Derek Shepherd (divorced) Jake Reilly </Td> </Tr> <Tr> <Th> Significant other (s) </Th> <Td> Mark Sloan Alex Karev Kevin Nelson Pete Wilder Sam Bennett </Td> </Tr> <Tr> <Th> Children </Th> <Td> Henry Montgomery (son) Angela Reilly (step - daughter via Jake) </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Addison Montgomery </Th> </Tr>

Who plays derek's wife in grey's anatomy