Guest Stars Hayley Atwell as Freya Deverell Ed Stoppard as Ben Leeping (Older) Samuel West as Peter Scabius (Older) Conor Nealon as Logan Mountstuart (Child) Gillian Anderson as Wallis Simpson Julian Ovenden as Ernest Hemingway Tom Hollander as Prince of Wales Emerald Fennell as Lottie Ken Bones as Mr. Mountstuart Flaminia Cinque as Mrs. Mountstuart Kim Cattrall as Gloria Scabius Hugh Skinner as Lionel Mounstuart
