![Dean Martin makes his debut in the Sands Copa Room on March 6, 1957. A year removed from his separation with comedian Jerry Lewis, many doubted Dino's ability to have a successful solo career. Despite the skepticism actresses Lucille Ball and Debbie Reynolds, comedian Jack Benny and Jack Entratter attended the act and can be seen in the audience.](http://media.lasvegassun.com/media/img/photos/2008/04/17/scaled.1419_martin_single_debut_t653.jpg?214bc4f9d9bd7c08c7d0f6599bb3328710e01e7b)
UNLV Special Collections
Dean Martin makes his debut in the Sands Copa Room on March 6, 1957. A year removed from his separation with comedian Jerry Lewis, many doubted Dino's ability to have a successful solo career. Despite the skepticism actresses Lucille Ball and Debbie Reynolds, comedian Jack Benny and Jack Entratter attended the act and can be seen in the audience.