Line-up
Bobby Jarzombek
Batéria
Spastic Ink, Bobby Jarzombek, Arch - Matheos, Juggernaut (USA-1), Zierler, ex-Riot, ex-Demons And Wizards, Halford, Painmuseum, John West, Sebastian Bach
Ray Alder (aka Raymond Balderrama)
Voz
Engine, Ray Alder, ex-Redemption (USA), A-Z
Jim Matheos
Voz, Guitarra, Apoyo de voz, Teclados
ex-Gordian Knot, Arch - Matheos, John Arch, Office Of Strategic Influence, Jim Matheos
Joey Vera
Bajo
Engine, Arch - Matheos, John Arch, ex-Anthrax, Brian Posehn, Armored Saint, Motor Sister, Kings Of Mercia, Chroma Key, ex-Office Of Strategic Influence, ex-Seven Witches
Miembros pasados
Joe DiBiase
Bajo
1982 - 1996
Withering Scorn
Steve Zimmermann
Batéria
1982 - 1988
Frank Aresti
Guitarra
1986 - 1996
Arch - Matheos
Mark Zonder (aka Thunderchild)
Batéria
Spirits Of Fire, Chroma Key, A-Z, Slavior, ex-Shattered Destiny, ex-Ten, ex-Cans, ex-At War With Self, Warlord (USA-1), Under-Radio, ex-Elegacy, Jim Matheos, League Of Lights, ex-Graham Bonnet Band, ex-Speaking To Stones, ex-Montrose, ex-Enzo And The Glory Ensemble, ex-Major Denial
John Arch (John Maurice Archambault)
Voz
Arch - Matheos, John Arch
Victor Arduini
Guitarra
1982 - 1986
Freedoms Reign, Mythosphere, Entierro
