Margins to Mainstream with Michael Sheen spotlights 11 new writers from under-represented backgrounds on a journey to reveal truths from the margins of society. In episode ten, Michael introduces Anna Maxwell, a new writer based in Lancaster, and her mentor, the playwright Siân Owen. Host Sheen explores British theatre's relationship with working class writers, before performing an extract from Anna's monologue Square Peg in front of a live audience at the Royal Welsh College of Music and Drama in Cardiff.