Olivia Chan (born May 24, 1997) is an English actress, singer and dancer. She portrays Sofia Hu in Penny on M.A.R.S. (2018), and is also known for her roles in Willow (2022) and Bye Bye Baby (2022). She studied Musical Theatre in The Hammond School in Chester (North West England) from 2013 to 2016. Before Penny on M.A.R.S., her first TV series, she had acted in several theatre plays since 2011 and appeared in a couple of commercials in 2016 and 2017, respectively.