This film was adapted from the Broadway production Diplomacy (1878). Written by Saville Rowe and Bolton Rowe. Adapted from the French of Victorien Sardou. Musical Director: Thomas Baker. Music arranged by Thomas Baker. Incidental music by Thomas Baker. Directed by W.R. Floyd. Wallack's Theatre: 1 Apr 1878- unknown (unknown performances). Cast: Herbert Ayling (as "Antoine"), Rose Coghlan (as "Countess Zicka"), C.E. Edwin (as "Sheppard"), Pearl Eytinge (as "Mion"), W.R. Floyd (as "Algie Fairfax"), Maude Granger (as "Dora"), W.J. Leonard (as "Markham"), H.J. Montague (as "Capt. Julian Beauclerc"), Harry Pearson (as "Messenger"), J. Peck (as "Francois"), Madame Ponisi (as "Marquise De Rio Zares"), Frederic Robinson (as "Count Orloff"), J.W. Shannon (as "Baron Stein"), Sarah Stevens (as "Lady Fairfax"), Lester Wallack (as "Henry Beauclerc"). Note: Filmed as Diplomacy (1926).