Cast of The Act

Patricia Arquette portrays Dee Dee Blanchard, the mother of Gypsy Rose Blanchard. Dee Dee is a manipulative and controlling woman who presents her daughter as severely ill and disabled for personal gain.

Joey King plays the role of Gypsy Rose Blanchard, the daughter of Dee Dee Blanchard. Gypsy Rose is a young woman who starts to question her mother's actions and seeks to escape from her abusive and sheltered life.

AnnaSophia Robb portrays Lacey, a neighbor and confidant of Gypsy Rose. Lacey offers support and friendship to Gypsy Rose as she begins to uncover the truth about her mother.

Chloë Sevigny plays the character of Mel, a neighbor and friend of Dee Dee Blanchard. Mel becomes suspicious of Dee Dee's behavior and starts to investigate the truth behind her claims about Gypsy Rose's health.

Calum Worthy portrays Nick Godejohn, Gypsy Rose's boyfriend. Nick becomes entangled in Gypsy Rose's plan to escape her mother's control, leading to a tragic turn of events.

Mary Hollis Inboden plays the role of Allison Granger, a hospital employee who becomes involved in Gypsy Rose's case. Allison provides insight into the medical aspects of the situation.

Nicholas Cirillo portrays Luke, a friend of Gypsy Rose. Luke supports Gypsy Rose in her quest for independence and helps her navigate the challenges she faces.

Roy Williams Jr. plays the character of Doctor, a medical professional who interacts with Dee Dee and Gypsy Rose. The doctor's involvement sheds light on the extent of Dee Dee's deception.