Monster” Season 3 has added Laurie Metcalf, Tom Hollander, and Olivia Williams to its cast, Variety has learned exclusively. The trio join previously announced cast member Charlie Hunnam, who will star as Ed Gein in the next season of the Netflix anthology series.

The award-winning actor will play Augusta Gein, the Wisconsin serial killer's religious, domineering mother, in the third season of "Monster."

Oct. 16 (UPI) -- Laurie Metcalf, Tom Hollander and Olivia Williams will join Charlie Hunnam in the upcoming season of Monster. The third installment in the crime drama anthology series will dramatize the story of serial killer Ed Gein (Hunnam), who used human remains in the furniture and clothing he made.