- Nicole Kidman Sra. Barbour
- Sarah Paulson Xandra
- Finn Wolfhard Boris (joven)
- Ansel Elgort Theodore Decker
- Ashleigh Cummings Pippa
- Luke Wilson Larry Decker
- Jeffrey Wright Hobie
- Aneurin Barnard Boris Pavlikovsky
- Denis O'Hare Lucius Reeve
- Robert Joy Welty
- Oakes Fegley Theodore (joven)
- Willa Fitzgerald Kitsey Barbour
- Misha Osherovich Shirley T
- Joey Slotnick Dave (psiquiatra Theo)
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