Joseph Mascolo (born March 13, 1935) is a soap opera veteran.
He appeared in the 1978 film Jaws 2 alongside Roy Scheider. He also played a police detective in the Burt Reynolds feature Sharky's Machine.
Mascolo is known as Stefano DiMera on Days of Our Lives from 1982 to 1985, returning briefly in 1988, from 1993 to 2001 and from 2007 to present.
He has also played a wide range of roles on many different series including (but not limited to) a Stefano-like villain named Domino (Nicholas Van Buren) on General Hospital, Carlos Alvarez on Santa Barbara.
Before achieving fame, he previously performed in the earlier soap operas Where the Heart Is and From These Roots. He made primetime television appearances on All in the Family and The Rockford Files.
He played Massimo Marone on The Bold and the Beautiful beginning August 2001. He decided not to renew his contract with the show in July 2006 due to lack of storyline.