She’d made no secret of the fact that she was going to be appearing on Casualty – but that didn’t stop viewers from being a bit surprised to see S Club 7’s Hannah Spearritt on the show.
The pop singer turned actress made her debut in the hospital drama on Saturday night as ‘penniless, drug addict, on-the-run’ character Mercedes Christie – having announced in December she was joining the cast.
But that didn’t stop many viewers from being taken aback when she appeared:
