The play was first staged at the St. James Theatre in London on February 20th, 1892

Characters:
Lord Windermere
Lord Darlington
Lord Augustus Lorton
Mr Cecil Graham
Mr Dumby
Mr Hopper
Parker (Butler)
Lady Windermere
The Duchess of Berwick
Lady Agatha Carlisle
Lady Plymdale
Lady Jedburgh
Lady Stutfield
Mrs Cowper-Cowper
Mrs Erlynne
Rosalie (Maid)

The Scenes of the Play:

First Act: Morning room in Lord Windermere's house

Second Act: Drawing room in Lord Windermere's house

Third Act: Lord Darlington's rooms

Fourth Act: Morning room in Lord Windermere's house

The play takes place during a 24 hour period. It begins on a Tuesday afternoon at 5 o'clock and ends the next day at 1:30pm

The play takes place in 1892 London

(information gathered from biliomania.com)