Malvin Daniel Wald was an American screenwriter most famous for writing the 1948 police drama The Naked City, for which he was nominated for the Academy Award for Best Story. He wrote over 150 scripts for motion pictures and TV shows including Peter Gunn, Daktari, and Perry Mason. He also served with the Army Air Forces and taught screenwriting at the University of Southern California. He died at Sherman Oaks Hospital in Los Angeles from age-related causes at age 90.

The Naked City is a 1948 American crime procedural produced by Mark Hellinger, directed by Jules Dassin, written by Albert Maltz and Malvin Wald. Starring Barry Fitzgerald, with Howard Duff, Dorothy Hart and Don Taylor in support, the film depicts the police investigation that follows the murder of a young model. It was shot almost entirely on location in New York City.