The crossword solutions for the term TOP HAT COSTAR are Fred ASTAIRE, a legendary American dancer, singer, actor, and choreographer. He is best known for his appearances in the musical films of the 1930s and 1940s, such as Top Hat and Swing Time. He was also a co-star in the 1951 film Royal Wedding. ASTAIRE's stage and subsequent film career spanned a total of 76 years, during which he made 31 musical films. He was named the fifth Greatest Male Star of All Time by the American Film Institute.