Mackenzie has been performing since age four. She has appeared in television shows including Nurse Jackie (6 years-series regular), Hawaii Five-O, Criminal Minds, Grey’s Anatomy, Parenthood, About A Boy, The Middle, All My Children, Workaholics, and CSI: Miami. She has also performed in the National Tour of Annie portraying the character Molly. They highlight of the tour was playing in her hometown, Los Angeles, at The Kodak Theater. She made her film debut in the film The Lincoln Lawyer (2011). Mackenzie was home schooled, took time off from acting to attend high school where she was a cheerleader on the dance team. High Schoo was wonderful but she is happy to be back working on her craft!