Step 1 : Introduction to the question "What are the names of Cinderella's wicked stepsisters in the original 1950s Disney film?"
... Cinderella is a 1950 American animated musical fantasy film produced by Walt Disney and originally released by RKO Radio Pictures. Based on the fairy tale Cinderella by Charles Perrault, it is the twelfth Disney animated feature film. Directing credits go to Clyde Geronimi, Hamilton Luske, and Wilfred Jackson. Songs were written by Mack David, Jerry Livingston, and Al Hoffman. Songs in the film include "Cinderella", "A Dream is a Wish Your Heart Makes", "Sing Sweet Nightingale", "The Work Song", "Bibbidi-Bobbidi-Boo", and "So This is Love". It features the voices of Ilene Woods, Eleanor Audley, Verna Felton, Rhoda Williams, James MacDonald, Luis van Rooten, Don Barclay, Mike Douglas, and Lucille Bliss.