Josh Brener
Donatello (voice) (46 eps)
Ben Schwartz
Leonardo (voice) (46 eps)
Omar Benson Miller
Raphael (voice) (46 eps)
Brandon Mychal Smith
Michelangelo (voice) (46 eps)
Eric Bauza
Splinter (voice) (46 eps)
Kat Graham
April O'Neil (voice) (46 eps)
John Cena
Baron Draxum (voice) (4 eps)
Thurop Van Orman
Todd Capybara (voice) (2 eps)
John Lydon
Meat Sweats (voice) (2 eps)
Timothy Simons
Huginn (voice) (2 eps)
Sam Richardson
Muninn (voice) (2 eps)
Maurice LaMarche
Foot Brute (voice) (2 eps)
Rob Paulsen
Foot Lieutenant (voice) (2 eps)
Zelda Williams
Foot Recruit (voice) (1 eps)
Rhys Darby
Hypno-Potamus (voice) (1 eps)
John Michael Higgins
Warren Stone (voice) (1 eps)
Jason Mantzoukas
Carl Sando (voice) (1 eps)
Paul Scheer
Ben Sando (voice) (1 eps)
Fred Tatasciore
Repo Mantis (voice) (1 eps)
Peter Cullen
Councilor 1 (voice) (1 eps)
Frank Welker
Councilor 2 (voice) (1 eps)
Susan Blu
Councilor 3 (voice) (1 eps)
Hoon Lee
Ancestor (voice) (1 eps)
Cree Summer
Jessica Jaclyn (1 eps)
Vanessa Marshall
Helmet AI/Computer Voice (voice) (1 eps)
Phil LaMarr
Jupiter Jim (voice) (1 eps)