Season 3 of Ryan Murphy's anthology series 'Monster' will tell the story of serial killer Ed Gein Ryan Murphy is bringing one of America’s most chilling horror stories to life with the third season of Monster.

“Saturday Night Live” alum Ana Gasteyer reflected on her six-year stint on the show on the latest episode of Bowen Yang and Matt Rogers’ “Las Culturistas” podcast, recalling a time when her fellow cast member Will Ferrell interrupted Sean “Diddy” Combs’ closed rehearsal as part of a bit. Gasteyer was on “SNL” from 1996 to …

Charlie Hunnam, who plays Ed Gein, was the first to be attached to the show. Further cast members announced thus far include Tom Hollander, Laurie Metcalf, and Olivia Williams. Carl Franklin, who has worked on both prior seasons of Monster, is returning to the director’s chair this season. Ian Brennan and Ryan Murphy remain executive producers.

Charlie Hunnam stepped into the role of serial killer Ed Gein on the set of Ryan Murphy's 'Monster'. Murphy announced his casting at the premiere of Monsters: The Lyle and Erik Menendez Story' in September.

Who is Ed Gein? The real-life killer will be the next subject of Netflix's Monster after this fall's hit Lyle and Erik Menendez Story, with the upcoming season finding Sons of Anarchy's Charlie Hunnam in the role of Gein,