Dennis Day found incredible success as an accomplished actor, appearing in a variety of films throughout his Hollywood career. Dennis Day's earliest roles were in film, including "The Powers Girl" (1943), "Music in Manhattan" (1944) and "I'll Get By" (1950) with June Haver. He also contributed to a variety of television specials, including "Jack Benny's 20th Anniversary TV Special" (NBC, 1970-71) and "The Mouseketeers Reunion" (NBC, 1980-81). He also appeared in the Mitzi Gaynor historical film "Golden Girl" (1951). during these yearsHe also played parts in television during these years, including roles in "The Jack Benny Program" (CBS, 1950-1965) and "The Mickey Mouse Club" (ABC, 1955-59). He also lent his voice to "Frosty's Winter Wonderland" (ABC, 1976-77). Most recently, Dennis Day acted in "Johnny Appleseed" (2009).