Ralph Ince and Mitchell Leisen were both American what?
Mitchell Leisen Mitchell Leisen (October 6, 1898 – October 28, 1972) was an American director, art director, and costume designer.
Glenn Osser Abraham "Glenn" Osser (August 28, 1914 – April 29, 2014) was an American musician, musical arranger, orchestra leader, and songwriter. His birthname was Abraham (Abe), but much of his work was under the name Glenn; he can be found with references under both names. He also worked under a number of other names: Arthur Meisel, Bob Marvel, Maurice Pierre, and others.