Jason Biggs

Leonardo (voice)

Seth Green

Leonardo (voice)

Rob Paulsen

Donatello (voice)

Sean Astin

Raphael (voice)

Greg Cipes

Michelangelo (voice)

Hoon Lee

Splinter (voice)

Mae Whitman

April (voice)

Josh Peck

Casey Jones (voice)

Kelly Hu

Karai (voice)

Gwendoline Yeo

Shinigami

Kevin Michael Richardson

Shredder / Shredder Mutants (voice) · Shredder (voice)

Cam Clarke

'87 Leonardo (voice)

Townsend Coleman

'87 Michelangelo (voice)

Pat Fraley

'87 Krang (voice)

Barry Gordon

'87 Donatello (voice)

Corey Feldman

Slash (voice)

Roseanne Barr

Kraang Prime (voice)

Gilbert Gottfried

Kraang Sub-Prime (voice)

Robbie Rist

Mondo Gecko (voice)

Zelda Williams

Mona Lisa (voice)

JB Smoove

Bebop / Ogre #2 / Soldier #2 (voice)

Mark Hamill

Kavaxas (voice)

Lucy Lawless

Hiidrala (voice)

Renae Jacobs

Mrs. O'Neil / Mom-Thing (voice)

Dwight Schultz

Wyrm (voice)

Dominic Catrambone

Leonardo (voice)

Diedrich Bader

Bigfoot / Announcer (voice)

Jesse Ventura

The Finger (voice)

Jon Heder

Napoleon Bonafrog (voice)

Maurice LaMarche

Attila / Rasputin (voice)

Peter Lurie

Leatherhead (voice)

Robert Englund

Dire Beaver / Dread Beaver (voice)

John Kassir

Dark Beaver / Dave Beaver (voice)

Bill Moseley

Bernie (voice)

Steve Blum

Speed Demon / Human Driver / TV Announcer (voice)

Maggie Wheeler

Small Town Newscaster (voice)

Robert Forster

Kurtzman (voice)

Fred Tatasciore

Rocksteady / Pedestrian / TV Announcer (voice)

Cassandra Peterson

Ms. Campbell (voice)

Clancy Brown

Bradford (voice)

Tom Kenny

Doc Rockwell / Malfidor (voice)

Christian Lanz

Xever / Fishface (voice)

Grant Moninger

Muckman / Joe Eyeball / Garson (voice)

Jim Meskimen

Carlos Chang O'Brien / Cab Driver (voice)

Phil LaMarr

Baxter Stockman (voice)

Andrew Kishino

Fong / Sid / Shopkeeper / Truck Driver (voice)

Lewis Black

Vic / Spider Bytez (voice)

Scott Menville

Crankshaw Jr. / Nefrini #1 (voice)

A.J. Buckley

Pigeon Pete (voice)

Brian Bloom

Crognard (voice)

Eric Bauza

Tiger Claw / Fulci Twin #1 / Fulci Twin #2 (voice)

Kari Wahlgren

Joan Grody / Woman / Teen Girl (voice)

Nolan North

Kraang #1 / Kraang #2 (voice)

Ben Cross

Dr. Mindstrong (voice)

Frank Welker

Monkey Rockwell (voice)

Sab Shimono

Murakami (voice)

Danny Jacobs

Snakeweed (voice)

James Sie

Tsoi (voice)

Jeffrey Combs

Dr. Falco (voice)

Keith Silverstein

Kirby (voice)

Anna Graves

Celestial (voice)

Michael Hagiwara

Tatsu (voice)

James Hong

Ho Chan (voice)

松崎悠希

Usagi (voice)

Keone Young

Jei (voice)

Evan Kishiyama

Kintaro (voice)

Cary-Hiroyuki Tagawa

Sumo Kuma (voice)

David Tennant

Fugitoid (voice)

Peter Stormare

Lord Dregg (voice)

Michael Dorn

Captain Mozar / Triceraton Lieutenant (voice)

Keith David

Sal Commander (voice)