(Terry Kinney): Pearl's brother, who has a strange fixation on the house's dumbwaiter.
: The tension with neighbors Jasper and Pearl Winslow continues to escalate. Dean becomes convinced that Jasper has been using the secret tunnels to access the house. The Watcher 1x3
(Bobby Cannavale): The increasingly erratic father determined to protect his family. (Terry Kinney): Pearl's brother, who has a strange
(Noma Dumezweni): The private investigator providing crucial historical context. (Terry Kinney): Pearl's brother
Episode 3, titled "Götterdämmerung," intensifies the mystery as Dean Brannock (played by Bobby Cannavale) digs deeper into the history of the house and its previous inhabitants.