Nelson Eddy in Sweethearts trailer

Nelson Eddy (June 29, 1901March 6, 1967) was an American singer and actor who appeared in 19 musical films during the 1930s and 1940s, as well as in opera and on the concert stage, radio, television, and in nightclubs.

His only work for Disney was providing all of the singing and speaking voices for the "Whale Who Wanted To Sing At the Met" segment of Make Mine Music.