Tim is trying to juggle his ten families while also dealing a daughter who has recently found out he was never actually her father.
| Actor | Role |
|---|---|
 Rebecca CallardMelanie | Melanie |
| PPaul F. TaylorTim | Tim |
| RRebecca ShorrocksSharon | Sharon |
| SSally ArmstrongMidwife | Midwife |
| DDenver LyonsSharon's Baby | Sharon's Baby |
| SStephanie BoyleStephanie | Stephanie |
| ZZoe Plasencia-BoyleZoe | Zoe |
| LLilly DewarPenny | Penny |
 Anna CrillyRachel | Rachel |
 Amar Chadha-PatelChris | Chris |
 Elena SaurelLaura | Laura |
 Richard RycroftDickie | Dickie |
 Katharine Bennett-FoxSara | Sara |
 Jessica FostekewMrs Archer | Mrs Archer |
| GGeorge TurnerAlex (demo child) | Alex (demo child) |
| MMarie LawrenceElaine | Elaine |
 Ellie BindmanLisa | Lisa |