Orion Pax / Optimus Prime (voice)
D-16 / Megatron (voice)
Elita-1 (voice)
B-127 (voice)
Sentinel Prime (voice)
Starscream (voice)
Alpha Trion (voice)
Airachnid (voice)
Soundwave (voice)
Shockwave / Guard 2 (voice)
Jazz (voice)
Zeta Prime (voice)
Darkwing (voice)
Announcer Bot / Guard 1 (voice)
Chromia / Arcee (voice)
Control Room Guys / PA System / Skywarp (voice)
Injured Racer (voice)
Witness the origin.
The untold origin story of Optimus Prime and Megatron, better known as sworn enemies, but once were friends bonded like brothers who changed the fate of Cybertron forever.
