Full Cast — Beast Machines: Transformers (1999–2000)

Garry Chalk

Optimus Primal (voice)

David Kaye

Megatron (voice)

Ian James Corlett

Cheetor (voice)

Venus Terzo

Blackarachnia (voice)

Scott McNeil

Rattrap (voice) / Rattrap / Silverbolt (voice)

Jim Byrnes

Thrust (voice)

Alessandro Juliani

Nightscream (voice)

Brian Drummond

Jetstorm (voice)

Kathleen Barr

Botanica (voice)

Paul Dobson

Obsidian (voice) / Tankor (voice)

Christopher Gaze

Diagnostic Drone (voice)

Richard Newman

Tankor (voice) / Rhinox (voice)

Patricia Drake

Strika (voice)

Elizabeth Carol Savenkoff

Spark Extractor Drone (voice) / Oracle (voice)