<Tr> <Th> Weight </Th> <Td> 189--200 kg (417--441 lb) </Td> </Tr> <Tr> <Th> Website </Th> <Td> hafthorbjornsson.com </Td> </Tr> <P> Hafþór Júlíus "Thor" Björnsson (Icelandic pronunciation: ​ (ˈhafθour ˈjuːliʏs ˈpjœsːɔn); born November 26, 1988) is an Icelandic professional strongman, actor, and former professional basketball player . He plays Ser Gregor "The Mountain" Clegane in the HBO series Game of Thrones . </P> <Table> Hafþór Júlíus Björnsson <Tr> <Th_colspan="2"> Personal information </Th> </Tr> <Tr> <Th> Listed height </Th> <Td> 206 cm (6 ft 9 in) </Td> </Tr> <Tr> <Th_colspan="2"> Career information </Th> </Tr> <Tr> <Th> Playing career </Th> <Td> 2004--2008 </Td> </Tr> <Tr> <Th> Position </Th> <Td> Center </Td> </Tr> <Tr> <Th_colspan="2"> Career history </Th> </Tr> <Tr> <Th> 2004--2005 </Th> <Td> Breiðablik </Td> </Tr> <Tr> <Th> 2005--2006 </Th> <Td> FSu </Td> </Tr> <Tr> <Th> 2006--2007 </Th> <Td> KR </Td> </Tr> <Tr> <Th> 2007--2008 </Th> <Td> FSu </Td> </Tr> <Tr> <Th_colspan="2"> </Th> </Tr> <Tr> <Td_colspan="2"> </Td> </Tr> </Table>

Who does hafthor bjornsson play in game of thrones