In order to remember, you first need to forget.
| Actor | Role |
|---|---|
 Alastair MackenzieLouis | Louis |
 Emma Campbell-JonesEvie | Evie |
| WWilliam StaggOscar | Oscar |
 Ellie MoonVeronica | Veronica |
 Kevin GoldingScientist | Scientist |
| CChristopher LawleyScientist | Scientist |
 Georgina SowerbyScientist | Scientist |