* Jason Newsted (1986-2001) :Basguitar
* Robert Trujillo (2003-nu) :Basguitar
* Dave Mustaine (1981-1983) :Lead guitar
* Kirk Hammett (1983-nu) :Lead guitar
* Ron McGovney (1982) :Rytme guitar
* Bob Rock (1990-1993, 1996-2003) :Co-producer, ingeniør, mixer
* James Hetfield (1981-nu) :Lead vokal, rytmeguitar
* Lars Ulrich (1981-nu) :Trommer