Patrons of Las Vegas casinos could expect to find a concentration of big-name entertainers such as Frank Sinatra or Sammy Davis Jr. Recognized throughout much of his career as "the world's greatest living entertainer," Sammy Davis, Jr. was a remarkably popular and versatile performer. Sammy Davis, Jr. () was widely known for most of his career as the World's Greatest Entertainer. Primarily a singer and dancer. (December 8, – ) was an American singer, dancer, actor and comedian. He was noted for his impressions of actors, musicians and. Leo Green tells the story of Sammy Davis Jr, with contributions from Sammy himself as well as friends and colleagues. Show more. Sammy Davis, Jr. Singer, dancer, actor For the Record It's Sammy Davis, Jr. at His Dynamite Greatest, MCA. The Great Sammy Davis, Jr., Columbia, was a New York City musician, performer, and icon. Born in Harlem in , Sammy Davis Jr. worked with the likes of Frank Sinatra, Dean Martin, Liza Minnelli. I had the great pleasure of seeing Sammy Davis, Jr. perform on several occasions. There are NO contemporary performers - of any ethnic group or sex - in. Sammy Davis Jr. was a man of many trades, working as a singer, tap dancer, musician, impressionist, and comedian, so it comes as no surprise that the Rat. Sammy Davis Jr.'s Ex · Sammy Davis Jr. was a highly popular actor, comedian, singer and dancer. He was also part of the Rat Pack with Frank.