Jack Black

Vocals, Guitar

Brooks Wackerman

Drums

ex-Infectious Grooves, ex-Medication, Fear And The Nervous System, ex-Bad Religion, Bad4Good, Avenged Sevenfold, ex-Korn, ex-Suicidal Tendencies

John Spiker

Bass, Back Vocals

ex-Filter (USA)

Kyle Richard Gass (aka Klip Calhoun, aka Trainwreck)

Guitar

John Konesky

Guitar

Dave Grohl

Vocals, Drums

ex-Earthlings, Probot, ex-Mondo Generator, Them Crooked Vultures, ex-Scream (USA), Teenage Time Killers, ex-Nine Inch Nails, Nirvana, ex-Dream Widow, ex-Queens Of The Stone Age, ex-Killing Joke, ex-Iommi, ex-Ghost (SWE)

Warren Fitzgerald

Guitar

Steve McDonald

Bass

Page McConnell

Keyboard