How American Horror Story and American Horror Stories Are Different

Of course, in typical Ryan Murphy fashion, the new series features actors familiar with the franchise. Earlier in July, AHS vets Matt BomerNaomi GrossmanJohn Carol Lynch, Charles Melton and Billie Lourd were confirmed as part of the spinoff cast.

However, for the most part, AH Stories welcomes a slew of newcomers to the AHS family, including Aaron Tveit, Paris Jackson, Kevin McHale, Gavin CreelSierra McCormickDanny Trejo, Amy GrabowMadison Bailey and many others. 

source: eonline.com