Editing Thundarr the Barbarian (section)

===Additional voices===
The series' voice director was Alan Dinehart.

* Henry Corden as Caroc Leader, Gemini, Vortak, Skullus, Captain Willows (in "Island of the Body Snatchers"), Mutant Deputy #2 (in "Trial by Terror")
* Nellie Bellflower as Dr. Craft, Manhat Dweller, Mina
* [[Michael Ansara]] as Vashtarr
* Marlene Aragon as Maya
* Liz Aubrey as Valerie Storm
* [[Michael Bell (actor)|Michael Bell]] as Yondo
* Alan Dinehart
* Al Fann
* Joe Higgins as Korb
* [[Stacy Keach Sr.]]
* [[Keye Luke]] as Zevon, Infernus, Kublai
* [[Chuck McCann]] as Artemus, Mutant Deputy #1 (in "Trial by Terror")
* [[Nancy McKeon]] as Tye
* [[Julie McWhirter]] as Stryia
* [[Shepard Menken]]
* [[Alan Oppenheimer]] as Mindok, Morag, The Old Wizard
* Robert Ridgely as Henchman, Manhat Dweller, Old Eskimo
* [[Avery Schreiber]] as Octagon
* [[Hal Smith (actor)|Hal Smith]] as Simius
* [[Joan Van Ark]] as Cinda, Queen Diona, Captain Corden
* [[Janet Waldo]] as Circe
* [[William Woodson]] as Crom