| Jane's plane crashes on a remote snow-covered mountain and she, along with Paul, the only remaining survivors, must pull themselves out of the wreckage and fight for their lives. Together they embark on a harrowing journey out of the wilderness, battling brutal conditions and personal traumas. |
| Name | Character | Episodes |
|---|---|---|
| Sophie Turner | Jane Salas | 12 |
| Corey Hawkins | Paul Hart | 12 |
| Jo Stone-Fewings | Jane's Father | 4 |
| Caroline Goodall | Jane's Mother | 3 |
| Marta Timofeeva | Young Jane | 3 |
| Josie Long | Margaret | 3 |
| Terence Maynard | Dr. M | 2 |
| Laurel Marsden | Kara | 2 |
| Jennifer Martin | Nurse Leslie | 1 |