Cast and credits of Teenage Mutant Ninja Turtles: Smash-Up

Michael Sinterniklaas
Leonardo / Utrominator (voice)

Wayne Grayson
Michelangelo (voice)

Gregory Abbey
Raphael / Nightwatcher (voice) (as Frank Frankson)

Sam Riegel
Donatello (voice)

Darren Dunstan
Splinter / Announcer (voice)

Marc Thompson
Casey Jones (voice)

Veronica Taylor
April O'Neil (voice)

Karen Neil
Karai (voice) (as Nell Balaban)

Scottie Ray
The Shredder (voice) (as Scottie Ray)

Oliver Wyman
Fugitoid (voice)

Jason Griffith
Foot Ninja (voice) (uncredited)

Yoann Perrier
Ninja Rabbid / Splinter Rabbid (voice) (uncredited)