Guest Stars Nana Mensah as Billie Appiah Tim Delap as Byron Adam Silver as Howard Kenichiro Thomson as Martin Pearl Mackie as Alysse Georgie Henley as Pensy Jess Chanliau as Ronnie Buckhurst Miguel Sandoval as Miguel Ganon Michael McKean as President William Rayburn Bhav Joshi as Anu Kapoor Joey Eden as Dan John Schwab as Roger Post Alec Nicholls as Secretary Leiber Matilda Ziegler as Olga Catherine Russell as Jill Klein Gianna Kiehl as Carly Green Robert J. Purdy as General Ian Drysdale as Oleg Balakin Glenn Wrage as Lewis Quainton