神秘博士的圣诞特辑因角色特雷夫·辛普金斯 （Trev Simpkins） 的去世以及其他演员阵容的变化而震惊了粉丝。 Doctor Who's Christmas special shocked fans with the death of character Trev Simpkins, amid other cast changes.

乔尔·弗莱扮演的角色 Trev Simpkins 意外死亡, 导致社交媒体的粉丝们大发悲痛。 Doctor Who's Christmas special saw the unexpected death of character Trev Simpkins, played by Joel Fry, leading to an outpouring of grief from fans on social media. 这一集还标志着米莉·吉布森饰演的鲁比·桑迪的缺席,尽管她在电话中短暂出现. The episode also marked the absence of Ruby Sunday, played by Millie Gibson, though she briefly appeared in a phone call. Trev以幽灵的身份短暂回来帮助医生 Trev made a brief return as a ghost to help the Doctor. 粉丝们还欢迎将Nicola Coughlan增为新的同伴。 Fans also welcomed the addition of Nicola Coughlan as a new companion.