"The Spider Queen wants to take revenge on Grim for denying her the rightful place as the Ripper."
Greg Eagles
as Grim / Sperg (voice)
Richard Steven Horvitz
as Billy / Billy's Dad (voice)
Grey DeLisle
as Mandy (voice)
Vanessa Marshall
as Irwin (voice)
Kari Wahlgren
as Velma Green the Spider Queen (voice)
Maxwell Atoms
as Jeff the Spider (voice)
Dee Bradley Baker
as Chocolate Cow (voice)
Jennifer Hale
as Gladysaur (voice)
Chris Cox
as Principal Goodvibes (voice)
Jane Carr
as Pud'n (voice)
Henry Gibson
as Lord Pain (voice)
Phil LaMarr
as Mr. Spleen (voice)
Rachael MacFarlane
as Mindy / Velma's Mom / Eris (voice)
Michael McKean
as Kalgoron (voice)
Renee Raudman
as Ms. Butterbean (voice)
David L. Lander
as Curtis (voice)
Fred Willard
as Boogey (voice)
James Sie
as Plain Cow (voice)
Armin Shimerman
as General Skarr (voice)
Dave Wittenberg
as Velma's Dad / Spider #1 (voice)
Marc Perry
Art Direction
Louis J. Cuck
Producer
Kris Zimmerman
Casting
Executive Producer
Brian A. Miller
Jennifer Pelphrey
Supervising Producer
Shaun Cashman
Creator
Matt Engstrom
Director
Writer
Kris Sherwood
Gordon Kent
Gregory Hinde
Original Music Composer
Drew Neumann
Juli Murphy
