Linka

Kath Soucie

Captain Planet

David Coburn

Wheeler

Joey Dedio

Gi

Janice Kawaye

Gaia

Margot Kidder

Kwame

LeVar Burton

Ma-Ti

Scott Menville

Drossler Chemicals Representative/Radio Dispatcher/Yuri

Michael Bell

Suchi

Frank Welker

Billy Jean

Candi Milo

Stalker Slaughter

Charlie Adler

Wheeler's Dad

George Hearn

Shanoub

Héctor Elizondo

Gaia

Whoopi Goldberg

Hoggish Greedly

Edward Asner

Big Ed Baker

Hoyt Axton

Rigger

John Ratzenberger

Mame Slaughter

Theresa Saldana

Dr. Blight

Mary Kay Bergman

Okey Pinehead (voice) / Misc. Fans and Boaters (voice)

Richard Gautier

Looten Plunder

Edmund Gilbert

Sheriff Hebbs

Sorrell Booke

Preston

Ed Begley Jr.

Citizen

Robert Guillaume

Sly Sludge

Jim Cummings

Trish/Trash

Marilyn McCoo

Dusty

Dennis Weaver

Verminous Skumm

Maurice La Marche

Fred Learner (voice)

Ted Turner

Goki

Kadeem Hardison

MAL

Tim Curry

Dr. Russell

Dionne Warwick

Eco the Clown (voice)

Jonathan Winters

Argos Bleak

S. Scott Bullock

Wheeler's Mom

Marcia Wallace

Professor Posey

Robert Patrick

Lexo Starbuck

Casey Kasem

Ooze

Cam Clarke

Guest Voice

Lark Voorhies

Zarm

Malcolm McDowell

Bob

Gene Wood