Kevin Hart was among the star-studded list of celebrities who signed-on to take part in the All-In Challenge, a massive fundraiser to help feed Americans affected by the ongoing coronavirus pandemic.<br /><br />And on Thursday, nearly two weeks after Hart's auction ended, the comedian surprised the winner of his auction with a walk-on role in his next movie. <br /><br />Winner Henry Law was equally excited to learn of the news. What's more, it turns out Law is an anesthesiologist who's been on the frontlines of the COVID-19 battle.