On the eve of a catastrophic event which will wipe out the hearing population, we follow four deaf characters as they go about their daily lives.
| Actor | Role |
|---|---|
 Caroline WardSam | Sam |
 Stephen CollinsKevin | Kevin |
 Haley BishopNat | Nat |
 Radina DrandovaImogen | Imogen |
 Chris CurranSam's Dad | Sam's Dad |
 Lin CliftonSam's Mum | Sam's Mum |
 Emily BevanClaire | Claire |
 Liam DarbyCraig | Craig |
 Christopher RuncimanDaniel | Daniel |
 Alice AlexanderZombie | Zombie |
| SSarah Jane AmbroseZombie | Zombie |
| AAmy AmbroseZombie | Zombie |
| DDavid AmosZombie | Zombie |
| CChristine AnsonZombie | Zombie |
| BBeth AsherZombie | Zombie |
| JJessica AshfordZombie | Zombie |
| PPaul BaileyZombie | Zombie |
| WWilliam BaldwinZombie | Zombie |
| RRuna BegumZombie | Zombie |
| SSophie BellZombie | Zombie |
| JJosias BertrandZombie | Zombie |
| HHansa BharadiaZombie | Zombie |
| AAlicia BiffenZombie | Zombie |
| PPhilip Blenner HassettZombie | Zombie |
| MMichael BooseyZombie | Zombie |
| CCheryle BrandonZombie | Zombie |
| TTara-Rose BreenZombie | Zombie |
| GGabriella BrentZombie | Zombie |
| KKatie BroderickZombie | Zombie |
| FFiona Jane BrownZombie | Zombie |