She attended the American Academy of Dramatic Arts and the British American Drama Academy in Oxford.
She has appeared on Last Comic Standing and has acted in independent films such as The Mother of Invention, I"m Not Like That Number More and Ashes. Her brother is writer/director Joseph M. Petrick. Her grandfather was Howard Wendell, a character actor who appeared in, among other films: Prince Valiant (1954 film), Affair in Trinidad and Gentlemen Prefer Blondes.
In 2009 she appeared in the independent films The Mother of Invention as Jenny, I"m Not Like That Number More as Leti and Ashes as Emily, which she also produced.
The same year she had a small role in Paul Blart: Mall Cop as Ruby the Waitress. Filmmaker Wim Wenders picked the short film Four Years, Six Months that starred Wendell and actor Keir O"Donnell as one of his favorite short films on the website Filmaka.com.