The Secret Life of Walter Mitty is a 1947 American Technicolor comedy film, loosely based on the 1939 short story of the same name by James Thurber.

The film stars Danny Kaye as a young daydreaming proofreader (later associate editor) for a magazine publishing firm and Virginia Mayo as the girl of his dreams.

Walter's escape from their incessant needling is to imagine all sorts of exciting and impossible lives for himself, fueled by the pulp magazines he reads every day as a proofreader at the Pierce Publishing Company.

Rosalind is working with her uncle, Peter van Hoorn, to help secure some Dutch crown jewels hidden from the Nazis during World War II.

[6] The Secret Life of Walter Mitty was dramatized as a half-hour radio play on the November 3, 1947 broadcast of The Screen Guild Theater with Kaye and Mayo in their original film roles.

Plans to remake The Secret Life of Walter Mitty arose in the early 1990s, with producer Samuel Goldwyn Jr. considering actor Jim Carrey for the starring role.