(WILLIAMSTOWN, Mass.) – Maura Tierney (ER; Some Girl(s)) and Steven Weber (Brothers and Sisters; Design for Living at WTF) will star as Barbara and Kenneth Hoyle in Jon Robin Baitz’s Three Hotels, the first Main Stage production of the Williamstown Theater Festival’s 2011 season (June 29 – July 24, 2011), the company’s 57th season and…