After a chance meeting and an indiscreet conversation, childhood friends Tommy Beresford and Tuppence Cowley become involved in a convoluted intrigue led by a mysterious man known simply as Mr. Brown.
Tuppence

Tommy

Julius P. Hersheimmer

Sir James Peel Edgerton

Rita Vandemeyer

Mr. Carter

Jane Finn
Kramenin

Whittington

Boris

Dr. Hall

The German

Albert

Henry
Conrad

Child on Beach
Woman in Tea Shop
First Clerk

Second Clerk
Annie
Florist
Ritz Receptionist
Watson
Man at Astley Priors
Messenger Boy