- Garry Chalk
- Â Optimus Prime 51 episodes, 2004
- David Kaye
- Â Megatron / ... 51 episodes, 2004
- Matt Hill
- Â Ironhide / ... 51 episodes, 2004
- Brad Swaile
- Â Kicker 51 episodes, 2004
- Trevor Devall
- Â Alpha Q 36 episodes, 2004
- Scott McNeil
- Â Jetfire / ... 35 episodes, 2004
- Brent Miller
- Â Hot Shot 34 episodes, 2004
- Don Brown
- Â Cyclonus / ... 34 episodes, 2004
- Colin Murdock
- Â Scorponok / ... 33 episodes, 2004
- Alvin Sanders
- Â Demolisher / ... 32 episodes, 2004
- Michael Daingerfield
- Â Roadblock / ... 32 episodes, 2004
- Michael Dobson
- Â Starscream / ... 30 episodes, 2004
- Ellen Kennedy
- Â Misha 29 episodes, 2004
- Doug Parker
- Â Mirage / ... 27 episodes, 2004
- Paul Dobson
- Â Rodimus 23 episodes, 2004
- Terry Klassen
- Â Skyblast / ... 20 episodes, 2004
- Ron Halder
- Â Dr. Jones / ... 19 episodes, 2004
- Ward Perry
- Â Landmine 18 episodes, 2004
- Alistair Abell
- Â Prowl 17 episodes, 2004
- Brian Drummond
- Â Shockblast 16 episodes, 2004
- Kirby Morrow
- Â Rad 12 episodes, 2004
- Nicole Oliver
- Â Sally / ... 11 episodes, 2004
- Doron Bell
- Â Cliffjumper 8 episodes, 2004
- Sharon Alexander
- Â Arcee 8 episodes, 2004
- Ty Olsson
- Â Downshift 7 episodes, 2004
- Tabitha St. Germain
- Â Alexis 6 episodes, 2004
- French Tickner
- Â Bulkhead 6 episodes, 2004
- Katsuyuki Konishi
- Â Grand Convoy unknown episodes
- Mitsuo Iwata
- Â Roadbuster unknown episodes
- Nobuyuki Hiyama
- Â Skyfire unknown episodes
- Kôsuke Toriumi
- Â Hot Shot unknown episodes
- Nobutoshi Canna
- Â Inferno / ... unknown episodes
- Chô
- Â Alpha Q unknown episodes
- Tesshô Genda
- Â Primus unknown episodes
- Kôji Yusa
- Â Ironhide / ... unknown episodes
- Isshin Chiba
- Â Blastarm / ... unknown episodes
- Jin Yamanoi
- Â Airglide / ... unknown episodes
- Daisuke Kishio
- Â Kicker unknown episodes
- Masataka Nakai
- Â Rad unknown episodes
- Yukiko Tagami
- Â Mischa unknown episodes
- Masumi Asano
- Â Ariel / ... unknown episodes
- Akira Tomisaka
- Â Alexa unknown episodes
- Yasunori Masutani
- Â Mega Zarak unknown episodes
- Jun'ichi Endô
- Â Carlos / ... unknown episodes
- Nobuo Tobita
- Â Nightscream / ... unknown episodes
- Ryôtarô Okiayu
- Â Rodimus Convoy unknown episodes
- Kenta Miyake
- Â Landmine / ... unknown episodes
- Makoto Yasumura
- Â Bruticus / ... unknown episodes
- Yukie Maeda
- Â Alpha Q (female) unknown episodes
- Mark Acheson
- Â Unicron unknown episodes
- Jim Conrad
- Â Narrator unknown episodes
