Jim Cummings
Hobson (voice) (38 eps)
April Winchell
Terk (voice) (37 eps)
Michael T. Weiss
Tarzan (voice) (36 eps)
Olivia d'Abo
Jane Porter (voice) (36 eps)
Jeff Bennett
Archimedes Porter (voice) (36 eps)
René Auberjonois
Renard Dumont (voice) (11 eps)
Frank Welker
Gorillas (voice) (11 eps)
Susanne Blakeslee
(voice) (7 eps)
Dave Thomas
Hugo (voice) (6 eps)
Joe Flaherty
Hooft (voice) (6 eps)
Jason Marsden
Mungo (voice) (6 eps)
Erik von Detten
Flynt (voice) (5 eps)
Kevin Michael Richardson
(voice) (5 eps)
Craig Ferguson
Samuel T. Philander (voice) (4 eps)
Phil LaMarr
(voice) (4 eps)
James Avery
(voice) (4 eps)
Diahann Carroll
Queen La (voice) (3 eps)
Keith David
Tublat (voice) (3 eps)
Taylor Dempsey
Jabari (voice) (3 eps)
Fred Willard
Baruti (voice) (2 eps)
Kath Soucie
(voice) (2 eps)
Sheena Easton
Robin Doyle (voice) (2 eps)
Maurice LaMarche
Ship Captain / Prisoner (voice) (2 eps)
Brock Peters
(voice) (2 eps)
Cindy Warden
Jamila (voice) (2 eps)
Tara Strong
Hazel (voice) (2 eps)
Alexis Denisof
Henry (voice) (1 eps)
Lance Henriksen
Kerchack (voice) (1 eps)
Mark Harmon
Bob Markham (voice) (1 eps)
Charles Napier
Ian McTeague (voice) (1 eps)
Shaun Fleming
Young Tarzan (voice) (1 eps)
Ron Perlman
Colonel Nikolas Rokoff (voice) (1 eps)
Clarence Williams III
(voice) (1 eps)
Jason Alexander
Zutho (voice) (1 eps)
Bruce Campbell
Max Liebling (voice) (1 eps)
Bill Fagerbakke
Walter (voice) (1 eps)
Tony Jay
Poacher (voice) (1 eps)
Diedrich Bader
Stanley Obrowski (voice) (1 eps)
Steven Weber
Ed (voice) (1 eps)
Kathy Najimy
Dania (voice) (1 eps)
Thomas Lennon
Landlord (voice) (1 eps)
Tate Donovan
Gobu (voice) (1 eps)
John DiMaggio
Gozan (voice) (1 eps)
Rob Paulsen
Radio Voice (voice) (1 eps)
John Mariano
Joey Marks (voice) (1 eps)
Stephen Root
Theodore 'Teddy' Roosevelt (voice) (1 eps)
Neil Patrick Harris
Moyo (voice) (1 eps)
Max Casella
Fungi (voice) (1 eps)
Brian Fenwick
Miner (voice) (1 eps)
Jake Dinwiddie
Ian Doyle (voice) (1 eps)
Kenneth Mars
Old Gorilla (voice) (1 eps)
Nicolette Little
Abby Markham (voice) (1 eps)
Michael McShane
(voice) (1 eps)
Dawnn Lewis
Naoh (voice) (1 eps)
Amanda Donohoe
Lady Waltham (voice) (1 eps)
John O'Hurley
Johannes Niels (voice) (1 eps)
Stacy Sibley
Waitress (voice) (1 eps)
Grey DeLisle
Greenly (voice) (1 eps)
Nicollette Sheridan
Eleanor (voice) (1 eps)