演员:彼得·卡帕尔迪 大卫·布拉德利 马克·加蒂斯 珀尔·麦基 莉莉·崔佛斯 杰瑞德·加菲尔德 朱迪·惠特克 托比·怀特豪斯
导演:瑞秋·塔拉蕾
剧情:Peter Capaldi’s final episode of Doctor Who this Christmas will feature Pearl Mackie as Bill Potts and be called Twice Upon a Time, it was revealed this evening (23 July) during a cast panel at San Diego Comic Con. Viewers will have to wait until Christmas to discover exactly how Bill, who will appear throughout the episode, makes her return.