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. For her portrayal of Alison, Schulenburg earned a Daytime Emmy Award nomination in the category of Outstanding Younger Actress in a Drama Series in 2010. Casting Upon the character's introduction in 1994, the role was portrayed by several child actors, including Kristi Richuitti and Sarah Hyland. In April 2002, Jessica Dunphy joined the cast in the role. In July 2005, it was announced that she would exit the role; she last appeared on July 20 of the same year. In 2006, Marnie Schulenburg was cast in the role; she made her debut when the character made a crossover appearance on The Young and the Restless on February 22, 2007, and later debuted on As the World Turns the following month. Schulenburg remained with the soap until its final episode on September 17, 2010, becoming the longest-tenured actor in the role. Storylines Backstory Alison was introduced on July 11, 1994, Susan Stewart and her much younger husband, fellow doctor Larry McDermott. Susan carried the baby, which was created with Larry's sperm and an egg donated by Susan's daughter, Emily Stewart. 2002–2005 In 2002, Alison (Dunphy) immediately made her presence known as a bad-girl blonde like her "sister," Emily: mischievous, witty, and willing to use her beauty to manipulate or just for fun. Even so, the character's vulnerability was clearly visible, caused by abandonment issues stemming from her absent father and her experiences growing up as the daughter of an alcoholic (Susan). Her first-love relationship with Aaron Snyder was a teenage love triangle story, with Alison scheming to break up Aaron's relationship with Lucy Montgomery while pretending to be Lucy's best friend. Aaron and Alison developed a real friendship, which led to love. Alison got involved with Chris Hughes, who was older (in his