The Lady from the Sea
Clein's theatre performances have included "A Midsummer Night's Dream", "My Children, My Africa!" and "The Lady from the Sea". Her performance as Hilda in "The Lady from the Sea" earned her second place in the Ian Charleson Award. Clein also received critical acclaim for her 2005 performance as Anna in "The Rubinstein Kiss". In 2006, Clein assumed the role of the radical pianist Harriet Cohen in "Dearest Tania" scripted by Duncan Honeybourne. She performed in the Almeida Theatre's 2008 production of "Waste". In summer 2009, Clein performed in the Sylvia Plath play "Three Women" at the Edinburgh Festival. In 2010, Clein toured in an adaptation of the Oscar Wilde story "Lord Arthur Savile's Crime" as Sybil Merton with Lee Mead as her leading man, Lord Arthur. In July 2010, Clein starred in "The Railway Children" in the former Waterloo Eurostar Terminal in London, and at King's Cross Theatre in 2015. During 2015 and 2016, she starred in "City Stories" at both the St. James Theatre, London, and 59E59 Theaters in New York City.