I love Robbie Rist, but I didn't want to go through puberty on TV." Williams added a defense of Rist himself, saying, "he is not Cousin Oliver. He's a cool guy." "We all like him.

Robbie Rist, who played Cousin Oliver in six episodes of the show's final season, made the remarks just days after other cast members spoke about his role on the show's final season. During a panel at ...