Alison Stewart is a fictional character from As the World Turns, an American soap opera on the CBS network. Created by head writers Juliet Law Packer and Richard Backus, and introduced by executive producer Laurence Caso, the character was portrayed by several child actors, including Sarah Hyland. In 2002, the role was rapidly aged when Jessica Dunphy was cast in the role; she remained in the role until her exit in 2005. In 2007, the character briefly crossed over to The Young and the Restless with actress Marnie Schulenburg in the role, who would continue her portrayal on As the World Turns until the series finale in 2010.