Protagonizada por: Fred Armisen , Ned Bellamy , Jack (I) Black , Andrew (II) Caldwell , Ronnie James Dio , John (I) Ennis , V.J. Foster , Kyle Gass , Troy Gentile , David Grohl , Colin Hanks , Jay Johnston , Mason Knight , David Koechner , David Krumholtz , Dean Marchiano , Meat Loaf , Milos Milicevic , David (III) Pearl , Jason (I) Reed , John C. (I) Reilly , Christopher Rivas , Michael Rivkin , Tim (I) Robbins , Ben Stiller , Paul F. (I) Tompkins , Gregg Turkington , Erik Walker , Patrick M. Walsh , Kirk Ward , Amy (III) Adams , Molly Bryant , Melissa-Anne Davenport , Brittany Eldridge , Stephanie Erb , Cynthia Ettinger , Lara Everly , Bevin Kaye , Laura (I) Milligan , Evie Peck , Amy Poehler .

Dirigida por: Liam Lynch .

Escrita por: Jack (I) Black , Kyle Gass , Liam Lynch .

Producida por: Stuart Cornfeld , Elaine Dysinger , Georgia Kacandes , Steve Moramarco , Ben Stiller .