<Table> <Tr> <Th_colspan="2"> ER (season 9) </Th> </Tr> <Tr> <Td_colspan="2"> DVD Boxset </Td> </Tr> <Tr> <Th> Starring </Th> <Td> <Ul> <Li> Noah Wyle </Li> <Li> Laura Innes </Li> <Li> Mekhi Phifer </Li> <Li> Alex Kingston </Li> <Li> Goran Visnjic </Li> <Li> Maura Tierney </Li> <Li> Sherry Stringfield </Li> <Li> Ming - Na </Li> <Li> Sharif Atkins </Li> <Li> Paul McCrane </Li> </Ul> </Td> </Tr> <Tr> <Th> Country of origin </Th> <Td> United States </Td> </Tr> <Tr> <Th> No. of episodes </Th> <Td> 22 </Td> </Tr> <Tr> <Th_colspan="2"> Release </Th> </Tr> <Tr> <Th> Original network </Th> <Td> NBC </Td> </Tr> <Tr> <Th> Original release </Th> <Td> September 26, 2002--May 15, 2003 </Td> </Tr> <Tr> <Th_colspan="2"> Season chronology </Th> </Tr> <Tr> <Td_colspan="2"> ← Previous Season 8 Next → Season 10 </Td> </Tr> <Tr> <Td_colspan="2"> List of ER episodes </Td> </Tr> </Table> <Tr> <Th_colspan="2"> ER (season 9) </Th> </Tr> <Tr> <Td_colspan="2"> DVD Boxset </Td> </Tr> <Tr> <Th> Starring </Th> <Td> <Ul> <Li> Noah Wyle </Li> <Li> Laura Innes </Li> <Li> Mekhi Phifer </Li> <Li> Alex Kingston </Li> <Li> Goran Visnjic </Li> <Li> Maura Tierney </Li> <Li> Sherry Stringfield </Li> <Li> Ming - Na </Li> <Li> Sharif Atkins </Li> <Li> Paul McCrane </Li> </Ul> </Td> </Tr>

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