Mary Steenburgen is joining “ A Man on the Inside ” Season 2 at Netflix, Variety has learned.

The series, which hails from creator Mike Schur, follows Charles (Danson), a retired man who gets a new lease on life when he answers an ad from a private investigator and becomes a mole in a secret investigation in a nursing home. It's based on the documentary The Mole Agent, a 2021 Oscar nominee for Best Documentary feature.

Academy Award and Golden Globe winner Mary Steenburgen has joined Season 2 of Netflix's critically acclaimed comedy series A Man on the Inside. Steenburgen will play Mona Margadoff, a former musician who factors heavily in the case Charles is trying to solve.