Guest Stars Dominic Burgess as Hamish Moss Debra Monk as Virginia Harding Billie Lourd as Ashley Leslie Grossman as Ashleigh Sophie von Haselberg as Mary Erin Alan Murray as Elizabeth Co Starring Ryan Spahn as Derek Blair Sams as Midwife Daniella Alma as Head Lady-in-Waiting Lauriel Friedman as Second Lady-in-Waiting