David Jonsson: ‘A life of prison and addiction was just one step away from me’

The ‘Rye Lane’ and ‘The Long Walk’ actor plays a terrified prison inmate in his new film ‘Wasteman’. He speaks to Adam White about how the role hit close to home, his perspective on his colour-blind casting in an Agatha Christie adaptation, and why he chose to step away from the banking drama ‘Industry’ at its peak