The crossword solution for the term 'Give My Regards to Broadway Composer' is George M. Cohan, a five-letter answer. Cohan was an American composer, lyricist, actor, singer, dancer and producer who wrote some of the most popular songs of the early 20th century, including 'Give My Regards to Broadway' and 'YOU're a Grand Old Flag'. He was also known for his acting roles in plays and films, such as the 1942 film Yankee Doodle Dandy, which was based on his life.