The Walking Dead, many stars have come and gone. While some have had shocking deaths — we’re still not over Glenn or Carl’s demises — other actors chose to leave the series.Andrew Lincoln, who portrayed hero police officer Rick Grimes on the AMC drama from its 2010 debut, announced that he would be leaving the show in 2018 during season 9, leaving fans shocked and curious about how he would exit the zombie series.“I love this show.