The Duke Is Tops A theatrical producer puts aside his own success to boost the career of a talented singer. Details Casts Title The Duke Is Tops Release Date 1938-07-15 Runtime 01 Hours 03 Minutes Genres Music Comedy Romance Production Companies Million Dollar Productions Production Countries United States of America Ralph Cooper Duke Davis Lena Horne Ethel Andrews Laurence Criner Doc Dorando (as Lawrence? Monte Hawley George Marshall Willie Covan Specialty Tap Dancer Neva Peoples Ella Vernon McCalla Mason (as Vernon McCallu? Edward Thompson Ferdie Fenton Johnny Taylor Dippy, 'Prince Alakazoo' Everett Brown Sheriff