When an architect accepts a morally ambiguous project — building a survivalist bunker for a tech billionaire — his wife of 17 years begins to question their relationship.
| Actor | Role |
|---|---|
 Javier BardemMiguel | Miguel |
 Penélope CruzSofia | Sofia |
 Stephen GrahamToby | Toby |
 Paul DanoAndrew | Andrew |
 Patrick SchwarzeneggerJeremy | Jeremy |
| CChloe ConhLucia | Lucia |
| LLeah ConhRosa | Rosa |
 Mark GatissSimon | Simon |
 Eileen AtkinsEileen | Eileen |
 Karen AscoeMartha | Martha |
 Jamie BispingDavid | David |
| JJoe Rawlinson-HuntBuilder Ben | Builder Ben |
 Kyle SollerBurglar | Burglar |
 Robert WilfortSecurity Technician | Security Technician |
 Natasha JosephMathilda | Mathilda |
 Hopi GraceCamilla | Camilla |
 Shelley WilliamsLynn | Lynn |
 Naomi BattrickEmma | Emma |
| AAdele MarieAssistant | Assistant |
 Amar Chadha-PatelKris | Kris |
 Eric HalfvarsonStephen Hume | Stephen Hume |
 Greta BellamacinaJennifer | Jennifer |
| PPolly FrameFriend | Friend |
 Tania WatsonYoung Woman | Young Woman |
 Nimmi HarasgamaMichelle O'Brien | Michelle O'Brien |
 Sarah HadlandSusan Laurie | Susan Laurie |
 Tristan SturrockSound Technician | Sound Technician |
| ZZsolt ÉliásCameraman | Cameraman |
| AAlex MoodyMakeup Artist | Makeup Artist |
 Christos LawtonLawyer 1 | Lawyer 1 |