Delbert Mann and Nunnally Johnson, share which occupation?
Delbert Mann: Delbert Martin Mann Jr. (January 30, 1920 – November 11, 2007) was an American television and film director. Nunnally Johnson: Nunnally Hunter Johnson (December 5, 1897 – March 25, 1977) was an American filmmaker who wrote, produced, and directed motion pictures.
director