When two mysterious deaths mar an otherwise pleasant weekend in the English countryside, unflappable flapper Lady Eileen Brent teams up with the dashing Jimmy Thesinger to solve the dastardly deeds. Their sleuthing leads them into a world of espionage and international intrigue as they discover a secret society known as "The Seven Dials" and the attempted theft of top-secret government documents.
John Gielgud
as Marquis of Caterhan
Cheryl Campbell
as Lady Eileen 'Bundle' Brent
Rula Lenska
as Countess Radzsky
Lynne Ross
as Nancy
James Warwick
as Jimmy Thesiger
Harry Andrews
as Superintendent Battle
Joyce Redman
as Lady Coote
Lucy Gutteridge
as Lorraine Wade
Terence Alexander
as George Lomax
Brian Wilde
as Tredwell
Sarah Crowden
as Helen
Leslie Sands
as Sir Oswald Coote
