Aldrich Kemp and the gang are back with some new faces as the race for the mysterious and elusive Rose of Pamir moves from London to Paris, New York to Amsterdam and the Maldives to Tajikistan.Chapter Three: American CryptographyClara Page and Aldrich Kemp travel to New York and call in a favour, but who else is lurking in Manhattan? Meanwhile, Mrs Bartholomew and Mrs Boone are facing challenges of their own back in Blighty.Clara Page - Phoebe Fox Aldrich Kemp – Ferdinand Kingsley Mrs Boone – Nicola Walker Nakesha – Karla Crome Sebastian Harcourt – Kyle Soller Aunt Lily – Susan Jameson The Underwood Sisters & Forsaken McTeague – Jana Carpenter Mrs Bartholomew – Kate Isitt Lionel – Steven Mackintosh Selina – Catherine Kanter Vartan - Ben CroweWritten and directed by Julian Simpson Music composed by Tim Elsenburg.Sound Design: David Thomas Producer: Sarah Tombling Production Assistant: Ethan Elsenburg Executive Producer: Karen RoseNew episodes available on Fridays. Listen first on BBC SoundsA Sweet Talk production for BBC Radio 4