Operation Secret is a 1952 American 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. The film was released by Warner Bros. on November 8, 1952. The film is based on the exploits of US Marine Corps Major Peter Ortiz.