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)