McDonald focused on acting, landing a job in the series, System Crash, in 1999. McDonald found a niche as a voice-over actress, after she was cast in 2001 to participate in a cartoon series named Ripping Friends. She has done a total of 39 voice-over jobs.

In 2001, she was cast as Emma Nelson in Degrassi: The Next Generation, a spin-off of the successful Degrassi series.

In 2004, she played Dawn Gensler in the made-for-television movie She's Too Young. She also has a guest role on the Disney Channel show Naturally, Sadie as Heidi.

In 2008, she played Danielle "Daisy" Brooks in the made-for-television movie Poison Ivy 4: The Secret Society

Series Regular

Short Film