Complex sentence: A year later, she starred in two prominent films: playing the uptight child to an immature nanny played by Brittany Murphy in "Uptown Girls" and as Sally in "The Cat in the Hat".
Split into simpler sentences: A year later, she starred in two prominent films: playing the uptight child to an immature nanny played by Brittany Murphy in "Uptown Girls". And as Sally in "The Cat in the Hat".