Jonny Quest (voice) (as Will Nipper)
Commander (voice)
President (voice)
(voice) (as Whitby Hertford)
Dr. Rachel Quest (voice)
Jessie Kenyon (Bannon) (voice)
Dr. Benton C. Quest / Bandit (voice)
Hadji (voice)
Dr. Victor Devlon (voice)
Agent Menendez (voice)
Dr. Zin (voice)
Chef (voice)
'Race' Bannon (voice)
3-DAC (voice)
Snipe / Replicants (voice)
Jade Kenyon (voice)