<Li> Michael Weaver as Greg </Li> <Li> Santiago Segura as Chad </Li> <Tr> <Th_colspan="2"> Episode chronology </Th> </Tr> <Tr> <Td_colspan="2"> <Table> <Tr> <Td> ← Previous "1 - 800 - 799 - 7233" </Td> <Td> Next → "(Don't Fear) the Reaper" </Td> </Tr> </Table> </Td> </Tr>

Who plays karen taylor in grey's anatomy