Campbell made two guest appearances on CTV's hit show, Cold Squad. She starred in Wilder Days with Peter Falk and Tim Daly in 2003.
In 2004, she starred in the small indie-film, Pursued, opposite Gil Bellows, Michael Clarke Duncan and Christian Slater. Though she filmed a small role in Bob the Butler, her scenes were deleted. Her feature film debut ultimately came with Scary Movie 4, which set a box office record for Easter weekend 2006.
