In 2011 Chong made her breakthrough with supporting roles in the movies W.E. and Johnny English Reborn and TV appearances in a Doctor Who episode and as a regular cast member in the medical series Monroe. In the next 3 years she appeared as regular or guest in a number of different English and American TV series.
In 2015, she had a recurring role in the second season of the SyFy series Dominion, as Zoe Holloway, a member of Vega’s Archangel Corps who becomes the leader of the rebellion of the city's lower classes.
