In 1930s England, 17-year-old Cassandra Mortmain and her eccentric family struggle to survive in a decaying English castle.
| Actor | Role |
|---|---|
 Romola GaraiCassandra Mortmain | Cassandra Mortmain |
 Rose ByrneRose Mortmain | Rose Mortmain |
 Tara FitzgeraldTopaz Mortmain | Topaz Mortmain |
 Bill NighyJames Mortmain | James Mortmain |
 Henry ThomasSimon Cotton | Simon Cotton |
 Henry CavillStephen Colley | Stephen Colley |
 Marc BlucasNeil Cotton | Neil Cotton |
 Sinéad CusackMrs Cotton | Mrs Cotton |
 Joe SowerbuttsThomas | Thomas |
 Sophie StuckeyCassandra (aged 7) | Cassandra (aged 7) |
 David BamberVicar | Vicar |
 James FaulknerAubrey Fox-Cotton | Aubrey Fox-Cotton |
 Sarah WoodwardLeda Fox-Cotton | Leda Fox-Cotton |
 Dolly WellsFur Department Vendeuse | Fur Department Vendeuse |
 James WarriorStation Master | Station Master |
 Christopher EttridgeStation Bystander | Station Bystander |
| HHelena LittleMother | Mother |
| FFlorence JonesRose (aged 10) | Rose (aged 10) |
| HHarrison WardThomas (aged 4) | Thomas (aged 4) |
| JJean WarrenWaitress in Café | Waitress in Café |
| BBernadette WindsorGirl in Café | Girl in Café |