Kerri Russell joining Adam Driver for "Burn This"; Alex Brightman and Sophia Anne Caruso announced for "Beetlejuice"; Jennifer Simard will replace Kerry Butler in "Mean Girls"; Anne Kauffman is the new Artistic Director of City Center's Encores! Off-Center; "The Beast in the Jungle" and "Hundred Days" to release albums; IFC’s "Documentary Now!" series will parody "Company" cast album documentary; 12 most revived plays since 1950