First broadcast 23rd August 2015.
Tommy and Tuppence turn their attention to their fellow occupants of the Sans Souci to find the potential nuclear bomb thief.
Alyy Khan as Major Khan
Jessica Raine as Tuppence Beresford
Christina Cole as Mrs Sprot
David Walliams as Tommy Beresford
Andrew Readman as Security Guard
Robert Hands as Mr Minton
Issy van Randwyck as Mrs Minton (as Issy Van Randwyck)
Chris Myles as Catering Manager
Ed Speleers as Carl Denim
Roy Marsden as Commander Haydock
Pinar Ögün as Veronika Urbanowicz
Aoife McMahon as Sheila Perenna
Matthew Steer as Albert
James Fleet as Carter
Hannah Waddingham as Blonde Assassin
Tamsin Dean as Waitress
Roxanne Gregory as Tilly
