Michael Sinterniklaas

Leonardo (voice)

Wayne Grayson

Michelangelo (voice)

Sam Riegel

Donatello (voice)

Gregory Abbey

Raphael (voice)

Darren Dunstan

Splinter (voice)

Marc Thompson

Casey Jones (voice)

Veronica Taylor

April O'Neil (voice)

Scott Rayow

The Shredder (voice)

Greg Carey

Hun (voice)

Karen Neil

Karai (voice)

Dan Green

1988 Leonardo (voice)

Johnny Castro

1988 Michelangelo / Rocksteady (voice)

Anthony Salerno

1988 Donatello (voice)

Sebastian Arcelus

1988 Raphael (voice)

David Wills

1988 Splinter / 1984 Shredder (voice)

Rebecca Soler

1988 April O'Neil (voice)

Load Williams

1988 Shredder (voice)

Bradford Scobie

Krang / Bebop / 1984 Michelangelo (voice)

Jason Griffith

1984 Leonardo / Additional Voices (voice)

Sean Schemmel

1984 Raphael / Additional Voices (voice)

Clay Adams

1984 Donatello (voice)

Bruce Falk

Additional Voices (voice)

Matthew Piazzi

Additional Voices (voice)

Kevin Eastman

Kevin Eastman (voice) (uncredited)

Peter Laird

Peter Laird (voice) (uncredited)