<P> Kim made her entertainment debut when she won a modeling contest in 2005, and went on to appear in supporting roles in medical drama Brain (2011) and spy comedy 7th Grade Civil Servant (2013), as well as a leading role in the sitcom Standby (2012). Kim gained international attention for her roles in Marco Polo (2014) and Avengers: Age of Ultron (2015). </P> <Table> <Tr> <Th> Year </Th> <Th> Title </Th> <Th> Role </Th> <Th> Notes </Th> </Tr> <Tr> <Td> 2015 </Td> <Td> Avengers: Age of Ultron </Td> <Td> Helen Cho </Td> <Td> </Td> </Tr> <Tr> <Td> 2015 </Td> <Td> Equals </Td> <Td> The Collective </Td> <Td> Voice role </Td> </Tr> <Tr> <Td> 2017 </Td> <Td> The Dark Tower </Td> <Td> Arra Champignon </Td> <Td> </Td> </Tr> <Tr> <Td> 2018 </Td> <Td> Fantastic Beasts: The Crimes of Grindelwald </Td> <Td> unidentified Maledictus </Td> <Td> Post-production </Td> </Tr> </Table> <Tr> <Th> Year </Th> <Th> Title </Th> <Th> Role </Th> <Th> Notes </Th> </Tr> <Tr> <Td> 2015 </Td> <Td> Avengers: Age of Ultron </Td> <Td> Helen Cho </Td> <Td> </Td> </Tr>

Who is the actress in avengers age of ultron