Jack Black JB, Producer, Writer, Songs
Amy Adams Gorgeous Woman
Ben Stiller Guitar Center Guy, Executive Producer
Colin Hanks Drunk Frat Dude
Jason Segel Frat Boy #1 (uncredited)
Tim Robbins The Stranger
Troy Gentile Lil' JB
John C. Reilly Sasquatch (uncredited)
Fred Armisen Security Guard
Amy Poehler Truck Stop Waitress
Melissa-Anne Davenport Girl
Molly Bryant Ecstatic Woman
Buck McDancer Stunts
Paul F. Tompkins Open Mic Host
Meat Loaf Bud Black (uncredited)
Cynthia Ettinger Betty Black
Ned Bellamy Security Guard
Andrew Lewis Caldwell Billy Black
Kyle Gass KG, Producer, Writer, Songs
Stephanie Erb Al's Bar Waitress
Tim Trella Stunts
Gregg Turkington Stand Up Comic
John Ennis Gang Member
Jay Johnston Gang Member
Dave Grohl Satan
Milos Milicevic Tattooed Biker, First Assistant Director
Jack Gill Stunts
Cole S. McKay Stunt Double
Toby Emmerich Executive Producer
David B. Nowell Aerial Director of Photography
Angelique Midthunder Stunt Driver
Danny Wynands Stunts
Doug Coleman Stunts
Jeanne McCarthy Casting
Rick Avery Stunt Coordinator, Second Unit Director
Brent M. Bowen Visual Effects
Cale Boyter Executive Producer
Kirk Ward Car Chase Cop / Gang Leader
Dayna Pink Costume Designer
Vincent Foster Gang Member
Patrick M. Walsh Exploding Head Guy
Richard Brener Executive Producer
Frank Torres Stunts
Michael Hugghins Stunts
Terry Jackson Stunts
Brian Avery Stunt Coordinator
Evie Peck KG's Mother
JR Reed Lee
Mic Rodgers Stunts
Ed McDermott II Stunt Driver
Joni Avery Stunts
Robert Chapin Stunts
Juel Bestrop Casting
Stuart Cornfeld Producer
John Ashker Stunt Double
Michael Hatzer Digital Color Timer
David Bach Supervising Sound Editor
Pamela Alch Script Supervisor
Eliza Coleman Stunts
Yeşim "Shimmy" Osman Hairstylist
Ronnie James Dio Dio
Erik Walker Bully
Paul Hughen Second Unit Director of Photography
David Hartman Production Illustrator
Mike Marino Special Effects Makeup Artist
Barney Burman Makeup Designer
Georgia Kacandes Executive Producer
Linda Flowers Hair Department Head
Steve Hart Stunts
Jody Hart Stunt Driver
Jeff Brockton Stunts
Brian Machleit Stunts