The Mentalist Exclusive: Amanda Righetti and Owain Yeoman to Exit in Season 6 It appears the fallout from The Mentalist‘s looming Red John reveal is extending to the show’s call sheet.TVLine has learned exclusively that original castmembers Amanda Righetti and Owain Yeoman will be leaving the CBS procedural toward the end of Season 6 (premiering Sept. 29 at 10/9c).The departures of colleagues an..
