Dennis Day: Dennis Day. Actor: Music in Manhattan. Always bright and beaming from ear to ear, Irish singer Dennis Day's name and career remains synonymous with that of Jack Benny's, working with the star comedian on radio and TV for the entire duration. It was Jack who gave him his break in 1939 and Jack who kept him employed as a singer and naive comic sidekick (his "Gee, Mr. Benny!" became a...
