Television:
* "The Good Doctor" (2017-present) as Dr. Audrey Lim
* "The Mentalist" (2011-2015) as Agent Michelle Vega
* "Daybreak" (2019) as Principal Kim
* "The Shield" (2004-2008) as Officer Kim
* "Dexter" (2006-2013) as Officer Angela Evans
* "CSI: Miami" (2002-2012) as Officer Tina Simms
* "Heroes" (2006-2010) as Niki Sanders (credited as Christina Chang)
* "Law & Order: Special Victims Unit" (1999-present) as Detective Grace Muncy
* "Southland" (2009-2013) as Officer Veronica Cruz
* "The Unit" (2006-2009) as Special Agent Anna Kim
* "Burn Notice" (2007-2013) as Agent Sarah
* "Criminal Minds" (2005-present) as Agent Clara Seger
Films:
* "The Last Man" (2006) as Julie
* "One Night" (2009) as Brenda
* "The Interview" (2014) as Secret Service Agent
* "After Earth" (2013) as Flight Control
This is not an exhaustive list, but it includes some of her most notable work. She has also appeared in numerous other television shows and films, including guest appearances and smaller roles.