Based on screenwriter Jonathan Asser's experiences working as a voluntary therapist at HM Prison Wandsworth.
The title ("Starred Up") is a term used to describe the early transfer of a criminal from a Young Offender Institution to an adult prison.
The word 'kanga' Is used often throughout the film. It is common UK prison slang for Prison Officer. It is derived from 'kangaroo', which is rhyming slang for 'screw', the more traditional slang term for Prison Officers.
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