Speechless is a 2011 play by British playwrights Linda Brogan and Polly Teale. It was based on The Silent Twins by Marjorie Wallace, telling the story of June and Jennifer Gibbons.[1] Its premiere was a national tour of the UK from 20 September to 26 November 2011, in a Shared Experience-Sherman Cymru co-production - venues included the Arcola Theatre in London and the Edinburgh Festival.[2]