Dunno if this has already been covered but official cast has been released on the Star Wars website.
http://starwars.com/news/star-wars-episode-7-cast-announced.html
John Boyega - http://www.imdb.com/name/nm3915784/?ref_=fn_al_nm_1
Daisy Ridley - http://www.imdb.com/name/nm5397459/?ref_=fn_al_nm_1
Adam Driver - http://www.imdb.com/name/nm3485845/?ref_=fn_al_nm_1
Oscar Isaac - http://www.imdb.com/name/nm1209966/?ref_=fn_al_nm_1
Domhnall Gleeson - http://www.imdb.com/name/nm1727304/?ref_=fn_al_nm_1
Max von Sydow - http://www.imdb.com/name/nm0001884/?ref_=fn_al_nm_1
http://starwars.com/news/star-wars-episode-7-cast-announced.html
John Boyega - http://www.imdb.com/name/nm3915784/?ref_=fn_al_nm_1
Daisy Ridley - http://www.imdb.com/name/nm5397459/?ref_=fn_al_nm_1
Adam Driver - http://www.imdb.com/name/nm3485845/?ref_=fn_al_nm_1
Oscar Isaac - http://www.imdb.com/name/nm1209966/?ref_=fn_al_nm_1
Domhnall Gleeson - http://www.imdb.com/name/nm1727304/?ref_=fn_al_nm_1
Max von Sydow - http://www.imdb.com/name/nm0001884/?ref_=fn_al_nm_1