"Whoa, dude! Worlds collide when the Turtles from one dimension meet the Turtles from another dimension! What the shell is going on? The two Turtle teams must work together to find the Technodrome and undo this multi-dimensional mess!"
Michael Sinterniklaas
as Leonardo (voice)
Wayne Grayson
as Michelangelo (voice)
Sam Riegel
as Donatello (voice)
Gregory Abbey
as Raphael (voice)
Darren Dunstan
as Splinter (voice)
Marc Thompson
as Casey Jones (voice)
Veronica Taylor
as April O'Neil (voice)
Scott Rayow
as The Shredder (voice)
Greg Carey
as Hun (voice)
Karen Neil
as Karai (voice)
Dan Green
as 1988 Leonardo (voice)
Johnny Castro
as 1988 Michelangelo / Rocksteady (voice)
Anthony Salerno
as 1988 Donatello (voice)
Sebastian Arcelus
as 1988 Raphael (voice)
David Wills
as 1988 Splinter / 1984 Shredder (voice)
Rebecca Soler
as 1988 April O'Neil (voice)
Load Williams
as 1988 Shredder (voice)
Bradford Scobie
as Krang / Bebop / 1984 Michelangelo (voice)
Jason Griffith
as 1984 Leonardo / Additional Voices (voice)
Sean Schemmel
as 1984 Raphael / Additional Voices (voice)
Clay Adams
as 1984 Donatello (voice)
Bruce Falk
as Additional Voices (voice)
Matthew Piazzi
Kevin Eastman
as Kevin Eastman (voice) (uncredited)
Peter Laird
as Peter Laird (voice) (uncredited)
Sarah C. Nesbitt
Producer
Roy Burdine
Director
Lloyd Goldfine
Creator
Rob David
Writer
Matthew Drdek
Characters