Guest Stars Tom Beard as Bingham Ben Bailey Smith as Tyrone Jane Riley as Sam's Mother Maddy Griffiths as Young Sam Indira Varma as Natalie Thorpe Uriel Emil as Hasan Moussa David Sterne as Dave Ryder Aaron Neil as Rahim Soomro Trevor White as Patrik Lindberg Dermot Crowley as George Ballard Benjamin Smith as Slender Man Martin Wenner as Lars Holm Jamie Kenna as Security Man Rob Heanley as MI6 Analyst Caroline O'Hara as Faroux's Aide Ged Simmons as Hotel Security Man Jennifer Landor as Polly Holm
