Garry Chalk
Optimus Primal (voice) (26 eps)
David Kaye
Megatron (voice) (26 eps)
Ian James Corlett
Cheetor (voice) (26 eps)
Venus Terzo
Blackarachnia (voice) (26 eps)
Scott McNeil
Rattrap (voice) (26 eps)
Jim Byrnes
Thrust (voice) (26 eps)
Alessandro Juliani
Nightscream (voice) (26 eps)
Brian Drummond
Jetstorm (voice) (16 eps)
Kathleen Barr
Botanica (voice) (13 eps)
Paul Dobson
Tankor (voice) (13 eps)
Christopher Gaze
Diagnostic Drone (voice) (6 eps)
Richard Newman
Tankor (voice) (6 eps)
Patricia Drake
Strika (voice) (6 eps)
Elizabeth Carol Savenkoff
Oracle (voice) (5 eps)