Annabeth Gish Annabeth Gish

Annabeth Gish has been cast as Ben's sister on Parks and Recreation, has confirmed.

As first reported by Entertainment Weekly, Gish will portray Stephanie, whom we'll meet when Ben (Adam Scott) and Leslie (Amy Poehler) head to Ben's hometown, where Ben briefly served as mayor before being impeached. (We previously met Ben's parents, portrayed by Jonathan Banks and Glenne Headly.)

How did Parks and Recreation do in the ratings on Thursday?

Gish, who was cast in FX's drama pilot The Bridge, recently appeared on Once Upon a Time and Pretty Little Liars.

Parks and Recreation airs Thursdays at 8:30/7:30c on NBC.