The story of identical twins June and Jennifer Gibbons. Refusing to speak to adults, the twins communicate in their own private language, their only relationship being an intense and turbulent bond with each other. Speechless is a powerful portrayal of the twins secret world and their struggle to find a voice against all odds. Contains some scenes of a sexual nature.| 22 Nov 11 to 26 Nov 11 | The Lowry Salford, Greater Manchester Performance Details => Venue archive |
| 26 Oct 11 to 19 Nov 11 | Arcola Inner London, Greater London Performance Details => Venue archive |
| 19 Oct 11 to 22 Oct 11 | Leeds Playhouse (formerly West Yorkshire Playhouse) Leeds, West Yorkshire Performance Details => Venue archive |
| 11 Oct 11 to 15 Oct 11 | mac birmingham - Midlands Arts Centre Birmingham, West Midlands Performance Details => Venue archive |
| 4 Oct 11 to 8 Oct 11 | NST Campus Southampton, Hampshire Performance Details => Venue archive |
| 27 Sep 11 to 28 Sep 11 | Lighthouse (previously known as Poole Arts Centre) Poole, Dorset Performance Details => Venue archive |
| 15 Sep 10 to 2 Oct 10 | Royal Welsh College of Music and Drama (WCMD)/Raymond Edwards Building/Anthony Hopkins Centre Cardiff, Glamorgan Performance Details => Venue archive |
| 5 Aug 10 to 29 Aug 10 | Traverse Theatre Edinburgh Performance Details => Venue archive |
| 23 Jul 10 to 24 Jul 10 | Chapter Arts Centre Cardiff, Glamorgan Performance Details => Venue archive |
