Siobhan Finneran , Steve Pemberton , Sheila Reid and Oliver Stokes also returned .
Siobhan Finneran , Steve Pemberton , Sheila Reid and Oliver Stokes also only appeared in the first two episodes which were written specifically to end their time on the show .
Siobhan Finneran , Steve Pemberton , Sheila Reid and Oliver Stokes also returned , but only appeared in the first two episodes which were written specifically to end their time on the show .