By Lauren Morris & Lauren Morris & Zoe Delaney BBC’s hit drama The Split is returning after two years off-air with a two-part special. The series stars Nicola Walker as family lawyer Hannah Defoe, navigating her high-intensity career with her complicated love life. While the drama came to a close with series three, the BBC has revealed that the Defoe family will be back for a two-part special. Returning for the new episode, filmed in Spain, are cast members Stephen Mangan (Nathan), Annabel Scholey (Nina), Fiona Button (Rose), Deborah Findlay (Ruth), Ian McElhinney (Ronnie) and other stars – in…