Kevin Smets
Jonny (voice)
Don Messick
Dr. Quest (voice)
Granville Van Dusen
Race Bannon (voice)
Rob Paulsen
Hadji (voice)
Anndi McAfee
Jessie (voice)
Jeffrey Tambor
Dr. Zin (voice)
Theresa Saldana
Dr. Eve Belage (voice)
Tim Matheson
4-DAC (voice)
Héctor Elizondo
Chief Atacama (voice)
Victor Love
Commander Harris (voice)
Robert Ito
427 (voice)
Olivia White
426 (voice)
