Actor Sal Ponti appeared in a few films of the '60s. His biggest role was that of Demetrios, a Greek sailor in Atlantis, the Lost Continent (1961). For that role, Ponti was billed as Anthony Hall. Ponti started out on the Philadelphia stage and came to Hollywood in the 1950s after working on television in New York. Following his major role in Atlantis, Ponti was relegated to smaller roles and guest-starring stints on television. In addition to acting, Ponti was also a songwriter and created tunes for such singers as Frankie Avalon and Fabian.