Gene Hoglan

Drums

Daemon (DK), ex-Wargod (USA), Pitch Black Forecast, ex-Old Man's Child, Meldrum, Tenet, The Almighty Punchdrunk, Mechanism (CAN), Zimmers Hole, ex-Unearth, ex-Fear Factory, ex-Forbidden (USA), Dark Angel (USA), ex-Memorain, ex-Devin Townsend, Strapping Young Lad, Dethklok, ex-Death

Steve Di Giorgio

Bass, Back Vocals

ex-Quo Vadis (CAN), Anatomy Of I, Vivaldi Metal Project

Alex Skolnick

Guitar, Back Vocals

Metal Allegiance, ex-Ozzy Osbourne, ex-Savatage

Eric Peterson

Guitar, Back Vocals

Dragonlord, ex-Leah

Chuck Billy

Vocals

Dublin Death Patrol, Metal Allegiance

Dave Lombardo

Drums

1999 - 1999
Grip Inc., Philm, Fantômas, ex-Voodoocult, ex-Apocalyptica, ex-Slayer (USA), Dead Cross, ex-Suicidal Tendencies, Suicidal Tendencies, ex-The Misfits

Paul Bostaph

Drums

2007 - 2011
ex-Systematic, ex-Exodus, ex-Hail (USA-2), Blackgates, ex-Tim Ripper Owens, ex-Forbidden (USA), Slayer (USA), ex-From Hell (USA)

John Tempesta

Drums

1993 - 1994
ex-Scum Of The Earth, White Zombie, ex-Rob Zombie, Brian Posehn, ex-Helmet, The Cult, ex-Exodus, Motor Sister

Jon Dette

Drums

1994 - 1995
Killing Machine (USA-1), ex-Animetal USA, ex-Evildead, ex-Slayer (USA), ex-Meshiaak

Jack Gibson

Bass

ex-Vile (USA), ex-Dawn Of Morgana, Exodus