She starred as 'Casey' not only in the comedy hit series Life with Derek but also in the movie Vacation with Derek.
Leggat appeared as Marcia in the Disney feature film Confessions of a Teenage Drama Queen with Lindsay Lohan.
More recently Ashley starred as 'Baby' in the critically acclaimed production of Dirty Dancing at the Royal Alex Theatre in Toronto.
Ashley had the starring role in the movie The Perfect Roommate, followed by the feature film My Dog's Christmas Miracle/Cinnamon.
This was followed by the guest starring role of 'Ivy' on Murdoch Mysteries, and a co-starring role on Criminal Minds.
More recently Ashley has filmed the starring role in The Perfect Boss. Currently she is working on The Good Witch's Charm to be followed by The Good Witch's Destiny for Hallmark.