Diplomacy (an 1878 English play which is a translation and adaptation by B. C. Stephenson and Clement Scott of the 1877 French play Dora by Victorien Sardou (1831 – 1908), produced at the Prince of Wales Theatre, London, on 12 January 1878.

   Scenes from  Diplomacy (an 1878 English play which is a translation and adaptation by B. C. Stephenson and Clement Scott of the 1877 French play Dora by Victorien Sardou (1831 – 1908), produced at the Prince of Wales Theatre, London, on 12 January 1878.

   From 12 January 1878 to 10 January 1879 it ran on a single bill and long held a record as the only English theatre production to stay unchanged for a year. A revival opening on 8 November 1884 by the Bancrofts at The Haymarket ran for another 117 performances.[5] Later English revivals occurred in 1893 at the Garrick, in 1913 (featuring Owen Nares and Gladys Cooper) at Wyndham's.

Madge Kendal as Dora; William Hunter Kendal (William Hunter Grimston) as Captain Beauclerc in 'Diplomacy' 1878

Original London cast (1878)

John Clayton as Henry Beauclerc

William Hunter Kendal as Julian Beauclerc

Arthur Cecil as Baron Stein

Squire Bancroft as Count Orloff

Mr. Dean as Antoine

Madge Kendal as Dora

Effie Bancroft as Countess Zika

Roma Le Thiere as Marquise