<Table> <Tr> <Th_colspan="2"> 218--"A Good Man Goes to War" </Th> </Tr> <Tr> <Td_colspan="2"> Doctor Who episode </Td> </Tr> <Tr> <Td_colspan="2"> River Song reveals her true identity to the Doctor </Td> </Tr> <Tr> <Th_colspan="2"> Cast </Th> </Tr> <Tr> <Td_colspan="2"> Doctor <Ul> <Li> Matt Smith (Eleventh Doctor) </Li> </Ul> </Td> </Tr> <Tr> <Td_colspan="2"> Companions <Ul> <Li> Karen Gillan (Amy Pond) </Li> <Li> Arthur Darvill (Rory Williams) </Li> <Li> Alex Kingston (River Song) </Li> </Ul> </Td> </Tr> <Tr> <Td_colspan="2"> Others <Ul> <Li> Frances Barber--Madame Kovarian </Li> <Li> Charlie Baker--Fat One </Li> <Li> Dan Johnston--Thin One </Li> <Li> Christina Chong--Lorna Bucket </Li> <Li> Joshua Hayes--Lucas </Li> <Li> Damian Kell--Dominicus </Li> <Li> Neve McIntosh--Madame Vastra </Li> <Li> Catrin Stewart--Jenny Flint </Li> <Li> Richard Trinder--Captain Harcourt </Li> <Li> Annabel Cleare--Eleanor </Li> <Li> Henry Wood--Arthur </Li> <Li> Dan Starkey--Commander Strax </Li> <Li> Simon Fisher - Becker--Dorium Maldovar </Li> <Li> Danny Sapani--Colonel Manton </Li> <Li> Hugh Bonneville--Henry Avery </Li> <Li> Oscar Lloyd--Toby Avery </Li> <Li> Nicholas Briggs--Voice of the Cybermen </Li> </Ul> </Td> </Tr> <Tr> <Th_colspan="2"> Production </Th> </Tr> <Tr> <Th> Directed by </Th> <Td> Peter Hoar </Td> </Tr> <Tr> <Th> Written by </Th> <Td> Steven Moffat </Td> </Tr> <Tr> <Th> Produced by </Th> <Td> Marcus Wilson </Td> </Tr> <Tr> <Th> Executive producer (s) </Th> <Td> <Ul> <Li> Steven Moffat </Li> <Li> Piers Wenger </Li> <Li> Beth Willis </Li> </Ul> </Td> </Tr> <Tr> <Th> Incidental music composer </Th> <Td> Murray Gold </Td> </Tr> <Tr> <Th> Production code </Th> <Td> 2.7 </Td> </Tr> <Tr> <Th> Series </Th> <Td> Series 6 </Td> </Tr> <Tr> <Th> Length </Th> <Td> 50 minutes </Td> </Tr> <Tr> <Th> Originally broadcast </Th> <Td> 4 June 2011 </Td> </Tr> <Tr> <Th_colspan="2"> Chronology </Th> </Tr> <Tr> <Td_colspan="2"> <Table> <Tr> <Td> ← Preceded by </Td> <Td> Followed by → </Td> </Tr> <Tr> <Td> "The Almost People" </Td> <Td> "Let's Kill Hitler" </Td> </Tr> </Table> </Td> </Tr> <Tr> <Td_colspan="2"> Doctor Who episodes (1963--1989) Doctor Who episodes (2005--present) </Td> </Tr> </Table> <Tr> <Th_colspan="2"> 218--"A Good Man Goes to War" </Th> </Tr> <Tr> <Td_colspan="2"> Doctor Who episode </Td> </Tr>

When a good man goes to war demons run