Laurie Metcalf, Tom Hollander and Olivia Williams have boarded the cast of Ryan Murphy's "Monster" Season 3, TheWrap has learned. Metcalf, Hollander and Williams will join Charlie Hunnam, who is set to star in the Netflix anthology series as Ed Gein.

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.

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.

Laurie Metcalf joins Netflix’s ‘Monster’ Season 3, portraying Ed Gein’s mother alongside Tom Hollander as Hitchcock.

The cast of Netflix’s crime anthology series Monster Season 3 has witnessed some new additions in the form of Olivia Williams, Laurie Metcalf, and Tom Hollander. Helmed by Ryan Murphy, the series has been a talk among many viewers for its depiction of true crime stories.

As of today, he’ll also be joined by Laurie Metcalf, Tom Hollander, and Olivia Williams, who will play Gein’s mother, Alfred Hitchcock, and Hitchcock’s wife, Alma Reville, respectively (via Variety).

Impossible star will play director Alfred Hitchcock as three new cast members join Charlie Hunnam for Monster season 3.

The Big Bang Theory star Laurie Metcalf has joined the third season of Netflix's true crime anthology show Monster.