Able's breakout role was in the 2006 horror film All the Boys Love Mandy Lane, portraying the bitchy but also sympathetic cheerleader Chloe.
[3] Able then appeared in guest roles in television series including CSI: New York, Cold Case.
Her next film role came in Emmanuelle Vaugier's horror vehicle Unearthed, in which she plays Ally.
[7] In 2021, Able starred in We Won't Forget, a short film directed by Edgar Morais and Lucas Elliot Eberl and co-written by Able and both directors that had its world premiere in competition at Palm Springs International ShortFest.
Whitney stars in the film as a woman whose frustrations boil to the surface while hosting a party for her friends, culminating in a public freakout that turns into collective hysteria.