“She went into mourning and stayed in mourning for the rest of her life,” Mirren explained. “A bit the way Queen Victoria did when she lost her husband. It was a kind of Victorian thing to do, wasn’t it?” Mirren also sees Winchester’s fascination with spiritualism as a byproduct of that grief: “When you lose someone, the losses can be so unbearable, so difficult. That the only way you can deal with your grief is by feeling they are still with you in some way or another.”