- Andrew Francis
- Â Genki / ... 73 episodes, 1999-2001
- Janyse Jaud
- Â Mocchi / ... 73 episodes, 1999-2001
- Scott McNeil
- Â Suezo / ... 73 episodes, 1999-2001
- Maggie Blue O'Hara
- Â Holly 73 episodes, 1999-2001
- Wataru Takagi
- Â Suezo 73 episodes, 1999-2001
- Yuri Shiratori
- Â Mocchii 73 episodes, 1999-2001
- Daiki Nakamura
- Â Gray Wolf 72 episodes, 1999-2001
- Hiroyuki Yokoo
- Â Big Blue 72 episodes, 1999-2001
- Brian Drummond
- Â Tiger of the Wind / ... 69 episodes, 1999-2001
- Sam Vincent
- Â Hare / ... 66 episodes, 1999-2001
- Paul Dobson
- Â Moo / ... 56 episodes, 1999-2001
- Kaneto Shiozawa
- Â Gali 47 episodes, 1999-2001
- Richard Newman
- Â Golem / ... 40 episodes, 1999-2000
- Doc Harris
- Â Golem / ... 35 episodes, 1999-2001
- Lee Tockar
- Â General Durahan / ... 34 episodes, 1999-2001
- Terry Klassen
- Â Tournament Announcer / ... 30 episodes, 1999-2001
- Pauline Newstone
- Â Mum Mew / ... 24 episodes, 2001
- Ward Perry
- Â Big Blue / ... 16 episodes, 1999-2001
- Don Brown
- Â Ape Leader / ... 13 episodes, 1999-2001
- David Kaye
- Â Monol / ... 8 episodes, 1999-2001
- Saffron Henderson
- Â Eared Mew / ... 6 episodes, 1999-2001
- Matt Smith
- Â Allan / ... 4 episodes, 1999-2001
- Dale Wilson
- Â Vulcan 4 episodes, 1999-2001
- Kelly Sheridan
- Â Colt / ... 3 episodes, 1999-2001
- Shirley Milliner
- Â Lead Seed Sister / ... 2 episodes, 1999-2001
- Michael Dobson
- Â Captain Jim / ... 2 episodes, 1999-2000
- Alec Willows
- Â Bajarl / ... 2 episodes, 1999-2000
- Norio Wakamoto
- Â Narration 2 episodes, 1999
- Naoya Uchida
- Â Captain Black Dino / ... 2 episodes, 1999
- Chisa Yokoyama
- Â Genki Sakura 2 episodes, 1999
- Ryô Naitô
- Â Alan / ... 2 episodes, 1999
- Mariko Kôda
- Â Holly 2 episodes, 1999
- Richard Ian Cox
- Â Niton / ... 2 episodes, 2000
- Ted Cole
- Â Poritoka 2 episodes, 2001
- Moneca Stori
- Â Michelle / ... 2 episodes, 2001
- Yûji Mitsuya
- Â Oldest Weed Sister 1 episode, 1999
- Keiko Han
- Â Genki's mom 1 episode, 1999
- Tomohiro Nishimura
- Â Middle Weed Sister 1 episode, 1999
- Miho Yoshida
- Â Michael 1 episode, 1999
- Eriko Kawasaki
- Â Teacher 1 episode, 1999
- Yoshiro Matsumoto
- Â Youngest Weed Sister 1 episode, 1999
- Kachô Fujita
- Â Chairperson 1 episode, 1999
- Norio Kobayashi
- Â Black Dino #2 1 episode, 1999
- Tabitha St. Germain
- Â Eve 1 episode, 2000
- Colin Murdock
- Â Kato 1 episode, 2000
- Nachi Nozawa
- Â Bincho 1 episode, 2000
- Matt Hill
- Â Mew 1 episode, 2001
- French Tickner
- Â Wondar Brother #2 1 episode, 2001
- Willow Johnson
- Â Fairy Hare 1 episode, 2001
