Upstairs Downstairs - Season 1 - Eps 3: The Cuckoo
Sir Hallam finds himself at the centre of a national crisis when his friend, the Duke of Kent, asks for help. Meanwhile, storm clouds are gathering within 165 Eaton Place, with Lady Agnes's growing fear over the imminent arrival of her baby, and the servants' concern for Lotte, who refuses to speak. But, as the king finally abdicates, Hallam makes a discovery that will change his life forever.
About Upstairs Downstairs

Title: Upstairs Downstairs
First Air Date: 2010-12-26
Last Air Date: 2012-03-25
Status: Ended
Rating: 7.4/10 (from 39 votes)
Language: EN
Seasons: 2
Total Episodes: 9
Network: BBC One
Genres: Drama
Production Companies: Unknown
Synopsis
Set in 1936, the show takes viewers, old and new, back to the lavish world of Belgravia, London. A new set of occupants reside at 165 Eaton Place and viewers see how external and internal influences of the tumultuous pre-war period shape and mould the lives of this wealthy family and their servants.
Cast

Keeley Hawes
Lady Agnes Holland

Ed Stoppard
Sir Hallam Holland

Adrian Scarborough
Mr. Warwick Pritchard

Neil Jackson
Harry Spargo

Anne Reid
Mrs. Clarice Thackeray

Claire Foy
Lady Persephone Towyn

Art Malik
Mr. Amanjit Singh

Jean Marsh
Rose Buck