She is best known for her recurring role as Dora Mae Dreifuss on the first season of the HBO series Carnivàle (2003–05).

She attended Stagedoor Manor, a summer theatre/dance camp in the Catskill Mountains in the Appalachians (New York), from 1990 through 1996, and then graduated from Idyllwild Arts Academy, a private school located in Idyllwild (Riverside County, California).

In 2020 Aday started a cooking channel on YouTube called All Access Eats.

[2] Aday's film roles include Crazy in Alabama, The Mummy An' The Armadillo, South Dakota: A Woman's Right To Choose and The Trials of Cate McCall.

In addition to her work on Carnivàle, she has guest starred on the hit TV shows Boston Public, ER, Private Practice, and My Name Is Earl.