On a cloudy London day, an American babysitter takes care of two young British sisters and starts to realise something is amiss.
| Actor | Role |
|---|---|
 Meaghan Jette MartinSage | Sage |
 Tom SharpFelix | Felix |
 Kate SumpterClaire | Claire |
 Barry John KinsellaMarcus | Marcus |
| TTara GodolphinNicole | Nicole |
 Oli HigginsonMan on phone | Man on phone |