René Auberjonois

Renard Dumont (voice)

12 eps

Frank Welker

(voice) / Manu (voice) / Dumont as Gibbon (voice) / Gorillas (voice) / Bibi (voice) / Primates (voice) / Apes (voice)

11 eps

Susanne Blakeslee

Kala (voice) / (voice)

7 eps

Dave Thomas

Hugo (voice)

6 eps

Joe Flaherty

Hooft (voice)

6 eps

Jason Marsden

Mungo (voice) / (voice)

6 eps

Erik von Detten

Flynt (voice)

5 eps

Kevin Michael Richardson

Muviro (voice) / Mr. Dobrez (voice) / Thaddeus Hunt (voice) / Merkus (voice) / (voice)

5 eps

Craig Ferguson

Samuel T. Philander (voice)

4 eps

Phil LaMarr

Basuli (voice) / (voice)

4 eps