In the series, based on the 1989 movie of the same name, Tierney plays a cash-strapped single mother who moves with her teenage kids back into her childhood home. The show also stars Peter Krause, Craig T. Nelson, Dax Shepard, Bonnie Bedelia, Monica Potter, Erika Christensen, and Sarah Ramos.
Tierney starred Off-Broadway in Three Changes and Some Girl(s). She is best known for her work on the NBC series' E.R. and NewsRadio.