Megatron / Mirage / Rumble / Skywarp / Soundwave (voice)

Frank Welker

Acting

Cliffjumper / Narrator / Spike Witwicky / additional voices (voice)

Gregg Berger

Acting

Optimus Prime / Ironhide (voice)

Peter Cullen

Acting

Starscream / Wheeljack / Reflector / Sparkplug Witwicky (voice)

Frank Todaro

Acting

Jazz (voice)

Arif S. Kinchen

Acting

Bumblebee / Shockwave (voice)

Dan Gilvezan

Acting

Prowl (voice)

Michael Bell

Acting

Narrator (archive audio)

Victor Caroli

Acting

Hound / Ratchet / Teletraan 1 / Thundercracker (voice)

Paul Eiding

Acting

Spike Witwicky / Shockwave / Brawn (archive audio)

Corey Burton

Acting

Gears / Ratchet (archive audio)

Don Messick

Acting

Huffer / Thundercracker (archive audio)

John Stephenson

Acting

Jazz (archive audio)

Scatman Crothers

Acting

Starscream / Wheeljack / Laserbeak (archive audio)

Christopher Collins

Acting

Cliffjumper / Bluestreak / Teletraan 1 (archive audio)

Casey Kasem

Acting