
2015 – 2018
24 Episodes
46 min
| Ep 1 | Ep 2 | Ep 3 | Ep 4 | Ep 5 | Ep 6 | Ep 7 | Ep 8 | |
|---|---|---|---|---|---|---|---|---|
| S1 | 7.6 | 7.3 | 7.7 | 7.5 | 7.5 | 7.8 | 7.8 | 7.7 |
| S2 | 7.1 | 7.1 | 7.2 | 7.3 | 7.1 | 7.0 | 7.9 | 7.7 |
| S3 | 7.3 | 7.7 | 7.4 | 8.0 | 7.7 | 8.4 | 8.1 | 8.4 |

Katherine Parkinson
Laura Hawkins

Gemma Chan
Anita / Mia

Colin Morgan
Leo Elster

Tom Goodman-Hill
Joe Hawkins

Lucy Carless
Mattie Hawkins

Emily Berrington
Niska

Ruth Bradley
DI Karen Voss

Theo Stevenson
Toby Hawkins

Pixie Davies
Sophie Hawkins

Ivanno Jeremiah
Max

Billy Jenkins
Seraph / Sam

Ukweli Roach
Anatole

Dino Fetscher
Stanley

Mark Bonnar
Neil

Holly Earl
Agnes
In a parallel present where the latest must-have gadget for any busy family is a 'Synth' - a highly-developed robotic servant that's so similar to a real human it's transforming the way we live.