Hlavní postavy:
- Ella Purnell – Lucy MacLean
- Walton Goggins – Ghoul
- Aaron Moten – Maximus
- Moisés Arias – Norm MacLean, bratr Lucy
- Kyle MacLachlan – Hank MacLean, Otec Lucy a overseer Vaultu 33
- Sarita Choudhury – Lee Moldaver
- Michael Emerson – Dr. Siggi Wilzig
- Leslie Uggams – Betty Pearson
- Frances Turner – Barb Howard
- Dave Register – Chet
- Zach Cherry – Woody Thomas
- Johnny Pemberton – Thaddeus
- Rodrigo Luzzi – Reg McPhee
- Annabel O’Hagan – Steph Harper
- Xelia Mendes-Jones – Dane
