Cast of The House of Yes

Parker Posey plays Jackie-O, a mentally unstable young woman obsessed with her deceased father and JFK's widow. She embodies both charm and volatility in the role.

Josh Hamilton portrays Marty, Jackie-O's twin brother who struggles to navigate his family's dysfunction. He brings a sense of vulnerability to the character.

Tori Spelling takes on the role of Lesly, Marty's fiancée who becomes embroiled in the bizarre dynamics of the Pascal family. Her character adds an outsider perspective to the narrative.

Freddie Prinze Jr. plays Anthony, Marty's younger brother who is protective of his family's secrets. He portrays a mix of loyalty and naivety in the film.

Geneviève Bujold portrays Mrs. Pascal, the matriarch of the Pascal family who struggles with her own demons. She brings a sense of mystery and authority to the role.

Rachael Leigh Cook plays Young Jackie-O, offering insight into the character's troubled past and unraveling psyche. She adds a layer of complexity to Jackie-O's persona.

David Love provides the voice for Young Marty, shedding light on the formative years of Marty's character. His voice work adds depth to Marty's backstory.