All About Eve is a 1950 American drama film written and directed by Joseph L. Mankiewicz, and produced by Darryl F. Zanuck. It is based on the 1946 short story (and subsequent 1949 radio drama) "The Wisdom of Eve" by Mary Orr, although Orr does not receive a screen credit.

References:
https://en.wikipedia.org/wiki/All_About_Eve