Guest Stars Chris Morris as Denholm Reynholm Togo Igawa as Mr. Yamamoto Peter Serafinowicz voices Voiceover Wendy Wason as Woman in Lift Rachel Bavidge as Stressed Woman Katie Males as Shoe Shop Assistant Danny Wallace as Cultural Advisor Pamela Lyne as Old Lady Richard Pettyfer as Fireman Sarah Paul as Nurse Takatsuna Mukai as Translator Toby Longworth as Dr. Julian Holmes