
The film discusses the traits and originators of some of metal's many subgenres, including the New Wave of British Heavy Metal, power metal, Nu metal, glam metal, thrash metal, black metal, and death metal. Dunn uses a family-tree-type flowchart to document some of the most popular metal subgenres. The film also explores various aspects of heavy metal culture.
Cast

Sam Dunn
Self

Chris Adler
Self

Tom Araya
Self
Gavin Baddeley
Self
Blasphemer
Self

Randy Blythe
Self

Alice Cooper
Self
Pamela Des Barres
Self

Bruce Dickinson
Self

Ronnie James Dio
Self

Malcolm Dome
Self

George Fisher
Self

Tony Iommi
Self

Joey Jordison
Self

Lemmy Kilmister
Self

Kerry King
Self

Geddy Lee
Self

Tom Morello
Self
Jørn Stubberud
Self

Vince Neil
Self

Doro Pesch
Self

Dee Snider
Self

Corey Taylor
Self

Alex Webster
Self

Rob Zombie
Self

Fritz Hollings
Self (archive footage)
Crew
Recommendations
view all
Global Metal

Selena Gomez: My Mind & Me

God Bless Ozzy Osbourne

Halftime

The Velvet Underground

Katy Perry: Part of Me

Hannah Montana & Miley Cyrus: Best of Both Worlds Concert

Miss Americana

Janis: Little Girl Blue

Justin Bieber's Believe

One Direction: This Is Us

The Who: The Kids Are Alright

American Hardcore

Western Stars

The Last Waltz

Stop Making Sense

Rolling Thunder Revue: A Bob Dylan Story by Martin Scorsese

Gimme Shelter

The Sound of 007

20 Feet from Stardom
