A well known adult film star, she made her debut in Vivid Entertainment's "Lux’s Life". Kassidy has since appeared in magazines such as Hustler and Club International, and in October 2007 she was the Penthouse Pet of the Month.
In 2006 she had a small role in the Warner Brothers film Beerfest.
In 2008 Kassidy began co-hosting the show "The Naked View" on Playboy TV.