News ‘Big Brother: All-Stars’ premiere: Who’s in the cast, who’s HOH and what went wrong on live TV August 6, 2020Charles Trepany, USA TODAYComments Off on ‘Big Brother: All-Stars’ premiere: Who’s in the cast, who’s HOH and what went wrong on live TV "Big Brother: All-Stars" kicked off on Wednesday in a live two-hour premiere that saw the cast revealed, along with a cutthroat competition.