Most well known for her portrayal of Susan Bones in the popular films Harry Potter and the Sorcerer's Stone (2001) and Harry Potter and the Chamber of Secrets (2002), she also made childhood appearances in the 1995 feature Nine Months and in the 1994 TV movie In Search of Dr. Seuss.
She made her first, brief screen appearance in the 1992 film Home Alone 2: Lost in New York.
She made an uncredited appearance in the 2005 film adaptation of the rock musical Rent.
She was born in Washington state to Monica Devereux director Chris Columbus. Her siblings Brendan, Violet, and Isabella were all cast in small roles in the Harry Potter movies.
She and Shirley Henderson were both in the cast of Harry Potter and the Chamber of Secrets (Henderson played Moaning Myrtle).