That transformation included wearing fake teeth and shaving her head.

Transforming into Gypsy was one of the most challenging but most rewarding things Ive ever done, she says.

Arquette was equally prepared to transform herself for her role as the manipulative, overbearing Dee Dee.

Episode 101

Credit: Brownie Harris/Hulu

She is a fearless actress, says executive producer Nick Antosca.

She is not concerned about playing a terrible mother.

Shes not concerned about playing a deeply complicated, scary character who does have humanity under the surface.

Patricia is willing to go there.

They always seemed like human beings who had an emotional logic to what they did.

Horrible things, but they did them out of truly human impulses.

The Actpremieres March 20 on Hulu.