Operation Secret is a 1952 American war drama film directed by Lewis Seiler and written by Harold Medford and James R. Webb.

The film stars: Cornel Wilde, Steve Cochran, Phyllis Thaxter, Karl Malden, Paul Picerni and Lester Matthews.

[3] The story is told through testimonial flashbacks at a military tribunal held in Paris after the end of World War II.

Crowther said that even though it was based on fact, "this annal of dedicated men braving dangerous assignments appears to be largely hackneyed deeds out of an old and not too thrilling history.

"[2] A New York Daily News critic observed that earlier films about the underground in Europe had presented all the fighters as "heroes and patriots."