Ashley Judd has signed on to topline drama “Helen” for Egoli Tossell Film and Insight Film Studios.Script by Sandra Nettelbeck (“Mostly Martha”), who will also direct, centers on a music professor and mother who suffers from a deep, debilitating depression. Her family tries to help her, but no one can relate to her pain other than a young female student who knows depression all too well. Shooting is scheduled to begin Oct. 2 in Vancouver. Judd, who most recently appeared in the Lionsgate thriller “Bug,” will next be seen in the Weinstein Co. ensemble drama “Crossing Over,” set for release in December. She is repped by Endeavor.