Monica C. Keena is an American actress and model. Keena made her film debut in While You Were Sleeping, followed by a supporting role in The…Monica C. Keena is an American actress and model. Keena made her film debut in While You Were Sleeping, followed by a supporting role in The Devil's Advocate and a lead role as Snow White in Snow White: A Tale of Terror co-starring with Sigourney Weaver as the Evil Queen, Snow White's evil stepmother.