The Grim Adventures of Billy and Mandy

Greg Eagles

Grim (voice) (163 episodes)

Richard Steven Horvitz

Billy (voice) (163 episodes)

Grey DeLisle

Mandy (voice) (163 episodes), Major Dr. Gastly (1 episode)

Vanessa Marshall

Irwin (voice) (163 episodes)

Rachael MacFarlane

Mindy (4 episodes), Eris (4 episodes), Eris (voice) (1 episode)

Phil LaMarr

Hector Con Carne (3 episodes), Judge Roy Spleen (voice) (1 episode), (1 episode), Dracula (1 episode)

Armin Shimerman

General Skarr (5 episodes)

Jake Thomas

Nigel Planter (4 episodes)

Diedrich Bader

Hoss Delgado (2 episodes), Hoss Delgado (voice) (2 episodes)

Maxwell Atoms

Jeff the Spider (4 episodes)

Billy West

(1 episode), Guard (1 episode), Viper (1 episode), The Nerve (1 episode)

John Vernon

Dean Toadblatt (3 episodes)

Dee Bradley Baker

(1 episode), Worm (1 episode), Announcer (1 episode)

Jennifer Hale

Gladys (voice) (2 episodes), Gladys (1 episode)

Martin Jarvis

Nergal (3 episodes)

'Weird Al' Yankovic

Squid Hat (2 episodes)

Jane Carr

Pud'n (2 episodes)

John Kassir

Lord Moldybutt (2 episodes)

Henry Gibson

Lord Pain (2 episodes)

Debi Derryberry

Nergal Jr. (2 episodes)

David Warner

Nergal (voice) (2 episodes)

Frank Welker

Scooby-Doo (voice) (1 episode), Boskov (1 episode)

C.H. Greenblatt

Fred Fredburger (voice) (2 episodes)

Jeannie Elias

Malaria (1 episode)

Cree Summer

Cave Witch (1 episode)

Fred Willard

Boogey (1 episode)

Scott Menville

Pinocchio (1 episode)

Mary Jo Catlett

Witch (1 episode)

Alan Oppenheimer

Father Time (1 episode)

Wayne Knight

Jack O'Lantern (1 episode)

Keone Young

Kwan Ti (1 episode)

Dawnn Lewis

Grim's Granny (1 episode)

Brian Tochi

Chef (1 episode)

Candi Milo

Grim's Mom (voice) (1 episode)

James Arnold Taylor

Fred Flintstone (1 episode)

Tom Kane

Professor Utonium (1 episode)

Rob Paulsen

Tooth Fairy (1 episode)

Robin Atkin Downes

(1 episode)

Nika Futterman

Pandora (1 episode)

Ronnie Schell

Dean Toadblatt (1 episode)

Maxwell Atoms

Writer (163 episodes)

Thurop Van Orman

Writer (163 episodes)

Gord Zajac

Writer (163 episodes)

Alex Almaguer

Writer (163 episodes)

C.H. Greenblatt

Writer (163 episodes)

Aaron Springer

Writer (163 episodes)

Michael Diederich

Writer (163 episodes)

Brett Varon

Writer (163 episodes)

Nina Bargiel

Writer (163 episodes)

Jeremy J. Bargiel

Writer (163 episodes)

Bob Camp

Storyboard (23 episodes)

Joe Orrantia

Storyboard (23 episodes)

Scott Underwood

Storyboard (23 episodes)

Matt Sullivan

Storyboard (23 episodes)

Dave Kupczyk

Layout (23 episodes)

Jay Bastian

Executive producer (163 episodes)

Brian A. Miller

Executive producer (140 episodes)

Linda Simensky

Executive producer (49 episodes)

Louis J. Cuck

Producer (37 episodes)

Vincent Davis

Producer (23 episodes)

Thurop Van Orman

Storyboard Artist (163 episodes)

Gregory Hinde

Music (163 episodes)

Drew Neumann

Music (163 episodes)