Jack Black Wolfman Jack
Daniel Radcliffe 'Weird Al' Yankovic
Will Forte Ben Scotti
Diedrich Bader Grizzled Narrator (voice)
Rainn Wilson Dr. Demento
Josh Groban Waiter
Scott Aukerman Police Officer
Seth Green Radio DJ (voice)
Julianne Nicholson Mary Yankovic
Sandra Lee Gimpel Stunts
Michael McKean Sleazy MC
Spencer Treat Clark Steve
Dot-Marie Jones Mama Bear
Thomas Lennon Salesman
Evan Rachel Wood Madonna
Thomas Forbes-Johnson Stunts
Demetri Martin Tiny Tim
David Dastmalchian John Deacon
Jonah Ray Rodrigues Jonah Barf
Conan O'Brien Andy Warhol
Emo Philips Salvador Dali
Mike Escamilla Guard #1
Lin-Manuel Miranda Doctor
Arturo Castro Pablo Escobar
Nina West Divine
Eric Appel Captain Buffoon (voice), Director, Writer, Producer
Paul F. Tompkins Gallagher
Jorma Taccone Pee-Wee Herman
Rusty Dunn Sound Effects Editor
Tommy O'Brien Bermuda
Jimmy Walker Jr. Floor Manager
William Guirola Sicario
Patton Oswalt Heckler
Zach Robinson Original Music Composer
Quinta Brunson Oprah Winfrey
Akiva Schaffer Alice Cooper
Dean Sharpe Bartender
Toby Huss Nick Yankovic
Mike Farah Producer
Anthony N. Security Guard, Stunts
Trenyce Diana Ross
Tony Solis Sound Re-Recording Mixer
James Preston Rogers Hulk Hogan
Gordon Tarpley David Bowie (uncredited)
Dan Butts Production Design
Wendy O'Brien Casting
Constantine Rousouli Cone-Bra Dancer #1
Jamie Richmond Makeup Artist
Kat Bardot Makeup Department Head
Anthony Vanchure Supervising Sound Editor
David Bloom Teenage Al
Eddie Perez Stunts
Johnny Pemberton Johnny Barf
Laura Harper Set Decoration
Paloma Esparza Rabinov Hipster Teen
Joe Farrell Producer
'Weird Al' Yankovic Tony Scotti, Writer, Producer, Music Producer, Musician, Songs
Keanush Tafreshi Kip
Andrew Steven Hernandez Robbie
Wendy Benbrook Costume Design
Lia Buman Producer
Richard Aaron Anderson Young Al
Whitney Hodack Producer
Chad Guerrero Guard #2
Izzy Traub Visual Effects Supervisor
Ross Riege Director of Photography
Tyler Shanklin Visual Effects Producer
Mike James Gallagher Sound Designer
Julie Chang Connie Chung
Kiley Ogle Set Costumer
Jamie Kennedy Editor
Cesar Ramirez Mariachi Band Member #1