Guest Stars Katherine Kelly as Permanent Secretary Marta Torné as Mercedes Noah Jupe as Daniel Roper Simona Brown as Grace Buffy Davis as Pearl Fleur Keith as Flight Attendant Andrei Zayats as Latvian Leader Jorge Suquet as Head Waiter Salvador Oliva as Madrid Waiter Bart Cariss as Tailor Cuco Usin as Waiter David Cornwell as Diner Kevin O'Loughlin as IEA Officer Gardener Rami Nasr as Turkish Lawyer