[3][4] She began acting in community theatre while attending L'Amoreaux Collegiate Institute and worked in a variety of television production jobs from the age of 14.

[5] Wong continued acting while at university, and in 2005, she landed a role in the television series This Is Wonderland followed by Runaway in 2006.

[6] Wong's martial arts background helped her land the role of Knives Chau in Scott Pilgrim vs. the World in January 2009.

On her second audition director Edgar Wright was surprised to find out that she studied taekwondo and was intrigued by this "sweetfaced young lady being a secret badass".

[11] In January 2012, she was nominated for an ACTRA Award for Outstanding Performance by a Female for her work portraying an illegal immigrant smuggled across the ocean in a shipping container in the short film Silent Cargo.

[18] That August, Wong joined the Audience television network series, Condor, in a recurring role.