Breslin began her career when she was three, she made an appearance in a Toys “R” Us advertisement. Her debut was Signs, which was directed by M. Night Shyamalan in the movie she played as Bo Hess, daughter of Graham Hess (Mel Gibson). The movie became a great success that achieved a box-office of $408 million worldwide.
Two years later Abigail appeared in Raising Helen, where she shared screen along with Spencer as a sister, but unfortunately, the movie failed to get the success and appreciation. Moreover, Kathleen Breslin played a small role in the movie; The Princess Diaries 2: Royal Engagement.
In the movie Keane, Abigail featured as Kira Bedik; she is a young girl who constantly becomes mentally disturbed. The movie collected $394, 390 grossed worldwide, however, it has received good reviews and ratings.
Little Miss Sunshine, a very enjoyable comedy drama played by Breslin achieved a gross collection of $100 million worldwide. In the movie, Breslin played a role of beauty pageant contestant, who is the youngest member of a dysfunctional family.
She has further featured in the Maggie, the movie nominated in Fangoria Chainsaw Awards for best actress. She is one of the high-earning celebrity and holds about $12 million as net worth.