Grey's Anatomy will feature a special cameo from Kelly McCreary's Maggie Pierce on season 22, but what does the return mean for her onscreen ex-husband? "I don't know if I can say [much], but I will tease the fact that there are developments in their lives," Anthony Hill, who stars on Grey's as Winston Ndugu, exclusively told Us Weekly earlier this month. "I [can't reveal] if they'll come in contact with each other or not, but I know that there will be some eyebrows raised." Hill, 37, joined the long-running medical drama during season 16 as Maggie's love interest.