Outlander is an American cable television series of the romantic drama and fantasy genres. The series was developed for television by Ronald D. Moore and is based on a series of novels written by Diana Gabaldon. Season one of the series aired for sixteen episodes from August 9th, 2014 to May 30th, 2015. Season two aired for thirteen episodes from April 9th, 2016 to July 2nd, 2016. The series has a main cast of thirteen characters.