A prolific recording artist on the RCA Victor label, his albums "Romantic Italian Songs" (his first US album,1962), "Our Man From Italy" (1963), and his 1965 Christmas Album, "The Heart of Christmas" were on Billboard's Top-40 album charts during their respective years.
After becoming an American citizen in 1972, Sergio often called himself "a Yankee Frankee.".
Appeared as a Mystery Guest on "What's My Line?".
Brother of singer/actress Dana Valery.
Sergio's 1962 release "Romantic Italian Songs" reached The Billboard Top 200 (167th) 36 years later in 1998.
TV spokesperson for the Plymouth Volare in the early 1970s.