Al Martino

Al Martino (born Jasper Cini, October 7, 1927 – October 13, 2009) was an American singer and actor. He had his greatest success as a singer between the early 1950s and mid-1970s, being described as "one of the great Italian American pop crooners", and also became well known as an actor, particularly for his role as singer Johnny Fontane in The Godfather.

source: Wikipedia