=== Tidligere medlemmer ===
* [[Kerry King]] – guitar (1983–1984)
* [[Lee Rausch]] – trommer (1983–1984)
* [[Chris Poland]] – guitar (1984–1986, 2004)
* [[Gar Samuelson]] – trommer (1984–1986)
* [[Jeff Young]] – guitar (1987–1989)
* [[Chuck Behler]] – trommer (1987–1989)
* [[Nick Menza]] – trommer, kor (1989–1998)
* [[Marty Friedman]] – guitar, kor (1990–2000)
* [[Jimmy DeGrasso]] – trommer, kor (1998–2002)
* [[Al Pitrelli]] – guitar, kor (2000–2002)
* [[Jimmy Lee Sloas]] – bas (2004)
* [[Vinnie Colaiuta]] – trommer (2004)
* [[Glen Drover]] – guitar (2004–2008)
* [[James LoMenzo]] – bas, kor (2006–2010)
* [[Chris Broderick]] – guitar, kor (2008– 2014)
* [[Shawn Drover]] – [[trommer]] (2004–2014)
* Chris Adler - Trommer (2015-2016)
* [[David Ellefson]] – [[basguitar (el-bas)|bas, kor]] (1983-2002, 2010-2021)
<!--
=== Kronologi ===
{| style="background: #f9f9f9; border: 1px #aaa solid; font-size: 95%"
|- align=center
|-
|colspan=3 style="width:60px"|Begyndelse||colspan=3 style="width:40px"|1984||colspan=3 style="width:40px"|1987||colspan=3 style="width:40px"|1989||colspan=3 style="width:40px"|1998||colspan=3 style="width:40px"|1999||colspan=3 style="width:40px"|2000||colspan=3 style="width:40px"|2001||colspan=3 style="width:40px"|2002||colspan=3 style="width:40px"|2004||colspan=3 style="width:40px"|2006||colspan=3 style="width:40px"|2007||colspan=3 style="width:40px"|2008
|- align=center
|colspan=25 bgcolor=#F9E6A0|'''[[Dave Mustaine]]'''||colspan=3| ||colspan=10 bgcolor=#F9E6A0|'''[[Dave Mustaine]]'''
|- align=center
|colspan=25 bgcolor=#E5E5AE|'''[[David Ellefson]]'''||colspan=3| ||colspan=5 bgcolor=#E5E5AE|'''[[James MacDonough|J.McDonough]]'''||colspan=5 bgcolor=#E5E5AE|'''[[James LoMenzo|J. LoMenzo]]'''
|- align=center
|colspan=7 bgcolor=#B9E5A0|'''[[Chris Poland|C. Poland]]'''||colspan=4 bgcolor=#B9E5A0|'''[[Jeff Young|J .Young]]'''||colspan=7 bgcolor=#B9E5A0|'''[[Marty Friedman]]'''||colspan=7 bgcolor=#B9E5A0|'''[[Al Pitrelli]]'''||colspan=3| ||colspan=8 bgcolor=#B9E5A0|'''[[Glen Drover]]'''||colspan=2 bgcolor=#B9E5A0|'''[[Chris Broderick|C. Brod.]]
|- align=center
|colspan=7 bgcolor=#DCEFB9|'''[[Gar Samuelson]]'''||colspan=3 bgcolor=#DCEFB9|'''[[Chuck Behler|C. Behler]]'''||colspan=4 bgcolor=#DCEFB9|'''[[Nick Menza|N. Menza]]'''||colspan=11 bgcolor=#DCEFB9|'''[[Jimmy DeGrasso|J. DeGrasso]]'''||colspan=3| ||colspan=10 bgcolor=#DCEFB9|'''[[Shawn Drover]]'''
|}
David Ellefson er fra  2010 igen med i gruppen.
{| style="font-size: 80%; height:3px"
|bgcolor=#F9E6A0 style="width:10px"| ||style="width:80px"|Vokal og guitar||bgcolor=#E5E5AE style="width:10px"| ||style="width:80px"|Bas||bgcolor=#B9E5A0 style="width:10px"| ||style="width:80px"|Guitar||bgcolor=#DCEFB9 style="width:10px"| ||style="width:80px"|Trommer
|}
-->
Musik Foreninger Organisationer