‘We both know how we feel about death and dying’: Rhys Ifans and Laura Linney on their brutally honest Parkinson’s drama

TL;DR

• Written by Vicar of Dibley co-creator Paul Mayhew-Archer, who has the disease, Onwards and Sideways sees the actors play a couple who bond over their diagnoses – a devastating subject but laced with humour too, they say Ahead of production on their first job together, Rhys Ifans