Mia Toretto is a fictional character from the popular film franchise, Fast & Furious. She is portrayed by actress Jordana Brewster and is the sister of main character Dominic Toretto. Mia is known for her strong personality and loyalty to her family, often playing a supportive role in the group's adventures. In the series, Mia is involved in the street racing and heist activities that define the franchise. She has a romantic relationship with Brian O'Conner, played by Paul Walker, and together they navigate the challenges of their dangerous lifestyle while raising a family.