Guest Stars Nikhil Parmar as Alex Mulligan Robert Goodale as Mark Stephens Cara Horgan as Rae Savitt Richard Goulding as Jerry Roxborough Peter Pacey as Sir William Beaumont Edward Bluemel as Barrie Clifton Chloe Harris as Joanna Granville Jack Holden as Will Anderson Joe Corrigall as OSS Officer Joshua Silver as Stuart Butler Nick Harris as Bill Security Guard Ines De Clercq as Amanda Toby Longworth as James Granville Jiggy Bhore as Archive Clerk
