Riley Cardoza / Page Six: Rosie O'Donnell names A-list actor who was her 'worst' talk show guest - Rosie O'Donnell name-dropped Keanu Reeves as "one of [her] worst" talk show guests. - While the former "Rosie O'Donnell Show" host did not mean to throw the A-list actor "under the bus" during her "Sam Pang Tonight" ...