Guest Stars Richard Dillane as Harvey Tilbrook Toby Woolf as George Markham Aymen Hamdouchi as Kadir Hakim Andrew Havill as Dr. Russell Amira Ghazalla as Alima Saeed Brett Williams as Agent #1 Ameer Toefy as Yusra's Brother Alexander Tops as Agent #2 Michael MacKenzie as Royal Scotch Guard