Complex sentence: Obliged to appear as C.P. Grogan because there was already a Clare Grogan (who is now a portrait photographer) in British actors union Equity, in 1985 she was the receptionist in the BBC Television version of "Blott on the Landscape".
Split into simpler sentences: Obliged to appear as C.P. Grogan because there was already a Clare Grogan (who is now a portrait photographer) in British actors union Equity. In 1985 she was the receptionist in the BBC Television version of "Blott on the Landscape".