Merton J. Dingle / The Mertonator (64 episodes, 1999-2002)
Tommy Dawkins / Cyborg Tommy Dawkins (64 episodes, 1999-2002)
Lori Baxter (40 episodes, 2000-2002)
Tim Eckert / Tim (39 episodes, 1999-2002)
Travis Eckert (35 episodes, 1999-2002)
Dean Dawkins (28 episodes, 1999-2002)
Stacey Hanson (22 episodes, 1999)
Becky Dingle / Rebecca 'Becky' Dingle (22 episodes, 1999-2002)
Male cheerleaders and student (20 episodes, 1999)
Sally Dawkins (17 episodes, 1999-2002)
Hugo Bostwick (13 episodes, 1999)
Mayor Bob Dawkins (9 episodes, 1999-2002)
Lunch Lady (7 episodes, 1999)
Gil (5 episodes, 1999-2002)
Heidi (4 episodes, 1999)
Sloan Taylor / Carole Lefevre (3 episodes, 1999-2002)
Chuck Freeman (3 episodes, 2001-2002)
Eric McIntyre (2 episodes, 1999)
Alistair Black / Alvin Blackburn / Reuben Vampire (2 episodes, 1999)
Rachel (2 episodes, 1999)
Dirk Strykem / Monster (2 episodes, 1999-2000)
Death (2 episodes, 1999-2000)
King Augustus / Professor Flugelhoff (2 episodes, 1999-2002)
Helga (2 episodes, 1999-2002)
Kim Wilson / Princess Tristan (2 episodes, 1999-2002)
Nikki Styx Vampire / The Man (2 episodes, 1999-2002)
Izzy (2 episodes, 1999)
Coach Parker (2 episodes, 1999)
Female Bio Student / Kyuki (2 episodes, 1999-2002)
Marty Marsh / Swampy / The Phantom (2 episodes, 1999-2002)
Chris Cutler / Stormfront (2 episodes, 1999-2001)
Brother Ambrose (2 episodes, 1999-2000)
Butch Jenkins (2 episodes, 1999-2000)
Ms. Andrews (2 episodes, 1999-2000)
Mary (2 episodes, 1999-2000)
Margaret (2 episodes, 1999)
Brett Johnson (2 episodes, 1999)
Hyacinthe Thistlethorp / Spider Woman (2 episodes, 2000-2001)
Amazing Paul Fishbine / Referee (2 episodes, 2000-2001)
Syndicatus' Boss Warewolf / Syndicatus' Boss Werewolf (2 episodes, 2000)
Hillary Choate (2 episodes, 2001-2002)
Maxwell Fong (2 episodes, 2001-2002)
Terri Bagwell (1 episode, 1999)
Santini (1 episode, 1999)
Scott O'Donnell (1 episode, 1999)
Pleasantville Strangler (1 episode, 1999)
Christy McGraw (1 episode, 1999)
Damien Vampire (1 episode, 1999)
King Budelmhar (1 episode, 1999)
Jennifer Hopper (1 episode, 1999)
Mr. Dunleavy (1 episode, 1999)
Shark Boy (1 episode, 1999)
Vlaz (1 episode, 1999)
Tanya (1 episode, 1999)
Violet Thorne (1 episode, 1999)
Muffy / Vesper (1 episode, 1999)
Mr. Tock (1 episode, 1999)
Ms. Thorne (1 episode, 1999)
Woody (1 episode, 1999)
Leo - Soul Sucker (1 episode, 1999)
O'Reilly (1 episode, 1999)
High Priestess (1 episode, 1999)
Mrs. Seaver (1 episode, 1999)
Curb Side Waitress (1 episode, 1999)
Mr. Shashefsky (1 episode, 1999)
Ms. Baxter (1 episode, 1999)
Chick#1 (1 episode, 1999)
Father of Stacey Hanson (Rachelle Lefevre) (1 episode, 1999)
Cop (1 episode, 1999)
Counter Boy (1 episode, 1999)
Librarian (1 episode, 1999)
Principal (1 episode, 1999)
Charlotte (1 episode, 2000)
Ferryman (1 episode, 2000)
Corey Haim (1 episode, 2000)
Mr. Geiger (1 episode, 2000)
B. Gordon Berry / Satan (1 episode, 2000)
Raven St. Clair (1 episode, 2000)
Boris Federov (1 episode, 2000)
Tori (1 episode, 2000)
Dr. Laszlo (1 episode, 2000)
Medusa / Melissa Gorgonopolis (1 episode, 2000)
Lester (1 episode, 2000)
Young Travis Eckert (1 episode, 2000)
Rob (1 episode, 2000)
Demon #1 (1 episode, 2000)
Male Nurse St. Jacques (1 episode, 2000)
Vince (1 episode, 2000)
Dr. Frank Stein (1 episode, 2000)
Edgar (1 episode, 2000)
Bronco 'Nasty' Nastonovich (1 episode, 2000)
Demon #2 (1 episode, 2000)
The Sandman (1 episode, 2000)
Young Merton J. Dingle (1 episode, 2000)
Phobiist (1 episode, 2000)
Quizmaster (1 episode, 2000)
Spider guy (1 episode, 2000)
Old Woman (1 episode, 2000)
Dr. Apocalypse (1 episode, 2000)
Marcy Lerner (1 episode, 2000)
Biker (1 episode, 2000)
Becky's Friend (1 episode, 2000)
Security Guard (1 episode, 2000)
Jar Jar / Mr. McMurphy (1 episode, 2000)
Dumb Guy (1 episode, 2000)
Young Tim Eckert (1 episode, 2000)
Guard #1 (1 episode, 2000)
Young Tommy Dawkins (1 episode, 2000)
Teacher (1 episode, 2000)
Large Guard (1 episode, 2000)
Melanie's Partner (1 episode, 2000)
Babe (1 episode, 2000)
Cassandra (1 episode, 2001)
Challenger (1 episode, 2001)
Bucky Offendahl (1 episode, 2001)
Roger 'Anti' Claus (1 episode, 2001)
Santa Claus (1 episode, 2001)
Bree Ashby (1 episode, 2001)
Mr. McGovern (1 episode, 2001)
Kristina (1 episode, 2001)
Genie (1 episode, 2001)
Homeless man (1 episode, 2001)
Mother (1 episode, 2001)
Ring Girl (1 episode, 2001)
History teacher (1 episode, 2001)
Waitress (1 episode, 2001)
Self (1 episode, 2002)
Jenny (1 episode, 2002)
Lacey (1 episode, 2002)
Officer (1 episode, 2002)
Kenzo (1 episode, 2002)
College Dean Ms Anders (1 episode, 2002)
The Alien (1 episode, 2002)
Kyle (1 episode, 2002)
Devin (1 episode, 2002)
Ursula (1 episode, 2002)
Dimitri the Exterminator (1 episode, 2002)
Jax (1 episode, 2002)
Hector (1 episode, 2002)
Vlud (1 episode, 2002)
Chad (1 episode, 2002)
Sean (1 episode, 2002)
Ricky (1 episode, 2002)
Alice (1 episode, 2002)
J.C. (1 episode, 2002)
Adam (1 episode, 2002)
Wombat (1 episode, 2002)
Joey (1 episode, 2002)
Shederak (1 episode, 2002)
Duncan Levine (1 episode, 2002)
Judge (1 episode, 2002)
Johnathan (uncredited) (1 episode, 1999)
Football fan (uncredited) (1 episode, 1999)
Dancing Zombie (uncredited) (1 episode, 2000)