[citation needed] She graduated in 2007 with a Bachelor of Arts degree in psychology and subsequently spent the following summer on a medical missionary trip in Kenya.

Although she did not have any screen credits at the time, her first agent took her on due to her resume of musical and physical talents, which included ballet, cello, and piano.

[12] In 2011, she appeared in the role of Pru, a friend of Paige McCullers (Lindsey Shaw) in Season 1, Episode 20 ("Someone to Watch Over Me"), of the ABC Family show Pretty Little Liars.

In April 2016, ahead of her talk at University of Illinois at Chicago for Asian American Awareness Month, Cho posted a YouTube video on her personal channel revealing that she would not return for season 6 of Teen Wolf.

Cho was previously a part of the "Artichoke and Peachies" joint YouTube blogging channel with Grace Su.

[9] At one point, she was in talks for a television show in Korea but walked away from the opportunity due to weight loss and plastic surgery requirements.

[22] In 2010, Cho and Ktown Cowboys actor Shane Yoon were the MCs for the Korean music group JYJ's tour in the United States.

[24] Cho had plans to tour her debut EP My True Happy in 2013 before landing a recurring role on Teen Wolf.

[5] In April 2021, in the midst of an uptick in anti-Asian racism regarding the COVID-19 pandemic, Cho said she was walking her dog when a man called her slurs and threatened her life.