Rebecca is a disgraced scientist carrying out illegal experiments to confirm the existence of and begin travel between parallel universes. She accidentally cracks the problem. Her counterparts in neighboring universes are also working on the same problem but they have their own agendas and things get out of hand.
| Actor | Role |
|---|---|
 Abigail TarttelinRebecca / Anastasia / Sarah | Rebecca / Anastasia / Sarah |
 Alan ConvyDave / David / Dmitri | Dave / David / Dmitri |
| DDamian HayesMatt / Matthew / Mateus | Matt / Matthew / Mateus |
| RRoger HardingTheodore / Theo / Fyodor | Theodore / Theo / Fyodor |
| SStephen SteinhausMr. Hand | Mr. Hand |
 Amelia TylerMonitoring Officer / Waitress / Brain Slave / Voice of 'Q Machine' | Monitoring Officer / Waitress / Brain Slave / Voice of 'Q Machine' |
| KKatherine BuckinghamScientist / Annoying Neighbour | Scientist / Annoying Neighbour |
| DDani CarberyAide / Cordon Policewoman | Aide / Cordon Policewoman |
| RRoy DonoghuePatrolling Guard 2 / Information Officer | Patrolling Guard 2 / Information Officer |
 Louise HoughtonNewsreader | Newsreader |