Cast Of The Split Barcelona 2025 Battery. The split barcelona cast unforgotten star nicola walker is leading the way once again as hannah stern, with stephen mangan as nathan and annabel scholey and fiona. The second part will follow at the same timeslot on the following day (monday,.

The split barcelona will air on sunday 29th december and monday 30th december. The second and final part of the split’s “barcelona” special arrives, and if the first hour was any indication, family secrets are about to detonate like a misplaced paella burner.