She is best known for her roles as Cyndie in AMC's The Walking Dead, Gabby Phillips in Instant Mom, Caitlin Park-Lewis in Pretty Little Liars: The Perfectionists and Makani Young in the Netflix film There's Someone Inside Your House.

Park was born in Berkeley, CA and moved to Los Angeles when she was five-years-old where she went to various performing arts/magnet schools all over the city.

Her mother is from Philadelphia and her father was born in Seoul, Korea, then moved to Brooklyn, NY, and eventually San Francisco, CA.

[1] In 2006, she auditioned for the first season of American reality competition America's Got Talent under the stage name Syd the Kid, where she had advanced on to the semi-finals.

[12] In the same year, she was cast as Makani Young in the slasher film There's Someone Inside Your House,[13][14] and as Kiera Pascal in the comedy Moxie directed by Amy Poehler, both released by Netflix in 2021.