Coming to Netflix: Monster Ed Gein: The Original Monster cast updates

 Key search word "Monster Ed Gein"
then "sort by date" 
 
And the cast has now been revealed:

 🔪 Laurie Metcalf as Ed Gein’s mother, Augusta Wilhelmine Gein
 🔪 Tom Hollander as Alfred Hitchcock
🔪 Olivia Williams as Alma Hitchcock
🔪 Charlie Hunnam as Ed Gein (previously announced)

 Ed Gein, who terrorized the 1950s, famously inspired some of cinema’s most iconic killers and sociopaths:
 including Norman Bates from PSYCHO and
Leatherface from THE TEXAS CHAINSAW MASSACRE