Transformers: Energon

Abell, Alistair – Prowl
Acheson, Mark – Unicron
Alexander, Sharon – Arcee

Bell, Doron – Cliffjumper
Brown, Don – Constructicon Maximus / Cyclonus / Snow Cat

Chalk, Garry – Optimus Prime / Optimus Supreme
Conrad, Jim – Narrator

Daingerfield, Michael – Inferno / Roadblock
Devall, Trevor – Alpha Quintesson / Bruticus Maximus
Dobson, Michael – Signal Flare / Starscream
Dobson, Paul – Rodimus / Superion Maximus
Drummond, Brian – Shockblast

Halder, Ron – Brian Jones / Padlock / Primus
Hill, Matt – Carlos Lopez / Ironhide

Kaye, David – Galvatron / Megatron / Unicron
Kennedy, Ellen – Misha Miramond
Klassen, Terry – (Voice Director) / Six Shot / Skyblast

McNeil, Scott – Jetfire / Omega Supreme / Strongarm
Miller, Brent – Hot Shot
Morrow, Kirby – Bradley “Rad” White
Murdock, Colin – Scorponok / Wing Dagger / Wing Saber

Oliver, Nicole – Miranda Jones / Sally Jones
Olsson, Ty – Downshift

Parker, Doug – Mirage / Tidal Wave
Perry, Ward – Landmine

Sanders, Alvin – Demolishor
St. Germain, Tabitha – Alexis
Swaile, Brad – Kicker

Tickner, French – Bulkhead