Two teenagers from London take an unexpected road trip North as each of them tries to understand how loss and grief have shaped their young minds.
| Actor | Role |
|---|---|
 Jamie FlattersNathan | Nathan |
 Keenan Munn-FrancisSam | Sam |
 Nicholas PinnockDavid | David |
 Ruby StokesKayla | Kayla |
 Paul KayeAndre | Andre |
 Amrita AchariaDoctor | Doctor |
 Hattie MorahanMel | Mel |
 Jason FlemyngRSPCA Operator | RSPCA Operator |
 Leanne BestDog Lady | Dog Lady |
 Liv HillScarlett (voice) | Scarlett (voice) |
| KKieyun FfrenchTyan | Tyan |
| BByron EasmonSeleso | Seleso |
| ZZion BattlesLewis | Lewis |
 Chicho TcheTobi | Tobi |
| AAdeline WabyTransport Police | Transport Police |
 Flynn AllenMark | Mark |
| DDouglas SantilloMugger #1 | Mugger #1 |
| TTristan ReynoldsMugger #2 | Mugger #2 |
 Joe HughesCyclist | Cyclist |
 Marc Wesley DeHaneyTicket Officer | Ticket Officer |
| KKarla Marie SweetHotel Receptionist | Hotel Receptionist |
| JJoe ZaliasHotel Dad | Hotel Dad |
| NNiamh ZaliasHotel Girl | Hotel Girl |
| JJustine FilipovicNathan's Mom | Nathan's Mom |
 Jamie SmeltShopkeeper | Shopkeeper |
| TTerence RaeScarlett's Boyfriend | Scarlett's Boyfriend |