A troubled young woman assumes her double's identity in a parallel dimension to try and solve her attempted murder.
| Actor | Role |
|---|---|
 Sophie-Louise CraigHannah / Kate | Hannah / Kate |
 Kierath JandooSerena Cicero | Serena Cicero |
 Dan HollowayMike Tipping | Mike Tipping |
| CChristian BlundellJack Saunders | Jack Saunders |
 Derek NelsonTom Cicero | Tom Cicero |
| SSally RoweDr. Georgina Anscombe | Dr. Georgina Anscombe |
 Dan DewhirstMale Employee | Male Employee |
| KKendal Olivia BarrettFemale Employee | Female Employee |