https://cdnph.upi.com/ph/st/th/2601781187395/2026/upi/55e6b245273834e71f2456d3c273258e/v1.5/Lauren-Ambrose-Tom-Riley-to-star-in-NYC-stage-play-Unbelievers.jpg" /> "Six Feet Under," "Servant" and "Yellowjackets" actress Lauren Ambrose is to star in the Manhattan Theatre Club's production of "The Unbelievers."