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 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.

[1] Upon the character's introduction in 1994, the role was portrayed by several child actors, including Kristi Richuitti and Sarah Hyland.

Alison was introduced on July 11, 1994,[6] Susan Stewart and her much younger husband, fellow doctor Larry McDermott.

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).

This situation was eased somewhat by Bob's mother, town matriarch Nancy Hughes, who formed an unlikely friendship with Alison.

After a somewhat painful transition from teenager to adult, including a miscarriage and finding out the truth about her parentage, Alison's rocky relationship with Susan and Emily changed to a tight bond of support as the three of them poked fun at their reputation as "those Stewart women".

Emily went to Dusty Donovan for help and the two tracked Ali down in Las Vegas, where she had made several porn movies and was addicted to crystal meth.

She worked for a while at the hospital, and bumped into ex-fiancé Chris Hughes, who had just returned to town and got his job as a doctor back.

Ali was happy hat her sister had finally found a man who genuinely liked her and told Chris not to break her heart.

Around this time, Chris' nephew Casey Hughes was released from 9 months in prison and returned troubled to Oakdale.

When a patient at Memorial was forced to live in an elderly home, she could not take her dog Voldemort "Morty" with her, and Chis and Ali became his new boss.

In order to keep her focused on Aaron instead of Chris, she wanted to start a family with him right away, However, a doctor's appointment revealed that she could not become pregnant anymore due to a disease she had when a porn star.

Casey becomes Luke's campaign manager and proves that he is not above using underhanded tactics in order to win, including using Alison as a spy for the other side.

When Alison's deception is discovered, she is kidnapped by masked men on Halloween, taken to a dorm room and forced to strip as they videotape her.

Alison is given the assignment of looking after a college student who overdosed on drugs, and is horrified to realize that it is Mark, the man who kidnapped and sexually harassed her.

Alison receives a text message from Lucy Montgomery, who is back in Oakdale in search of a bone marrow transplant for her brother Johnny.

She arrives at the Hughes' house to get a sample from Casey, where he tells her of his plans for a New Year's Eve date with his ex-girlfriend Maddie.

Days later, Casey approaches Maddie at Al's Diner and apologizes for hurting her, then tries to convince her that nothing happened between him and Alison.

While they are waiting for Luke and Noah to reconcile, Casey reveals some acquired maturity, claiming that he is seeking a substantial relationship rather than a brief fling.

Alison and Casey dated briefly, breaking up when Emily's computer technician, Hunter, who had an obvious crush on Ali, drove a wedge between them.

They then found out Emily's eggs were stolen and implanted in Hunter's mother and Larry was his father, making them brother and sister.

But on her wedding day, Mick Dante kidnapped everyone in the church and demanded that Allison come clean to Casey about what happened between them.

While on medication and beer from his injury from the hit, Alison hears Chris admit his love and admiration for Katie, which he mistakes her to be in his drunken and doped up state.

After they almost get caught by Henry in Vienna's room, Casey finds a bag full of pregnancy tests and suspect that she is pregnant with his child.

They find out that Vienna never was pregnant and that her medical records were falsified by Katie to help her in her plan to trap Henry.

But when Chris is in the hospital cause of his heart condition, Kim notices Ali wearing Nancy's wedding ring and their engagement is made public.