Amanda Aday was born on January 21, 1981. She is the daughter of singer/actor Meat Loaf and Leslie Aday. Amanda embraced acting at a young age. She began attending Stagedoor Manor Performing Arts Training Center in 1990 and continued there for six years. She graduated from Idyllwild Arts Academy, a boarding school dedicated to educating young artists. Amanda furthered her education as a theatre major at California Institute of the Arts, where she performed in plays such as the one-woman show "The Twirler" by Jane Martin.

Amanda started appearing on screen in the mid to late '90's, first in 1995's To Catch A Yeti (she was uncredited), then in the made for TV movie "To Hell and Back", and Crazy In Alabama in 1999. She also gave a moving performance on the TV show Boston Public as Carrie Jenkins, a student bullied about her weight by one of her teachers, in 2002.

Amanda's first breakthrough came in 2003 when she secured the role of Dora Mae Dreifuss in the HBO series Carnivale. Her performance opened the eyes of fans everywhere to her amazing talent, and her character, though short-lived, was deeply loved by fans of the show. In 2004, she played the role of Bevers in the indie film The Mummy An' the Armadillo. In 2006, she starred opposite Paris Hilton in National Lampoon's Pledge This! as Maxine Picker.

In 2008, Amanda guested on the final seasons of the hit shows E.R., in the episode "Let It Snow" and My Name Is Earl. Amanada's episode, "Orphan Earl," was regarded by many fans as the best episode of 2008, and one of her lines was singled out by a TV guide reviewer as one of the highlights of the episode.

Amanda will be appearing on the big screen nationwide in 2010. South Dakota, a "dramamentary" about abortion that Amanda filmed in 2008, is due out in US theaters in 2011.