Jackie Chan Splinter (voice)
Paul Rudd Mondo Gecko (voice)
Giancarlo Esposito Baxter Stockman (voice)
John Cena Rocksteady (voice)
Rose Byrne Leatherhead (voice)
Seth Rogen Story, Bebop (voice), Screenplay, Producer
Matthew Broderick Ferris Bueller (archive footage) (uncredited)
Ice Cube Superfly (voice)
Maya Rudolph Cynthia Utrom (voice)
David Faustino Normal Nate (voice)
Evan Goldberg Story, Screenplay, Producer
Ayo Edebiri April O'Neil (voice)
Nicolas Cantu Leonardo (voice)
Alex Hirsch Bossy Goon / Scumbug (voice)
Dempsey Pappion Bald Bronson (voice)
Michael Badalucco Bad Bernie (voice)
Hannibal Buress Genghis Frog (voice)
Post Malone Ray Fillet (voice)
Derek Wilson Spider (voice)
Danny Mastrogiorgio Toupee Tom / Police Officer (voice)
John Capodice Cab Driver (voice)
Brady Noon Raphael (voice)
Peter Laird Characters
Natasia Demetriou Wingnut (voice)
Trent Reznor Original Music Composer
Andia Winslow TV Anchor (voice)
Atticus Ross Original Music Composer
Rich Delia Original Casting
Jeffrey M. Thompson Visual Development
Michael Semanick Sound Re-Recording Mixer
Jimmy Donaldson Times Square Guy (voice)
Gabe Hilfer Music Supervisor
Mark Mangini Supervising Sound Editor, Sound Designer, Sound Re-Recording Mixer
Brendan O'Brien Story
Mike Rianda Paycheck Goon / Chop Shop Boss / Ratatouille Guard (voice)
Kevin Jung Foley Editor
Kevin Eastman Characters, Good Human (voice)
Shamon Brown Jr. Michelangelo (voice)
James Weaver Producer
Benji Samit Screenplay
Chelsea Body Foley Mixer
Sang Yup Lee Story Artist
Sally Boldt Music Editor
Jennie Shea ADR Recordist
Jeff Rowe Director, Story, Man Who Loves Being Young and Free to Go Places (voice), Screenplay
Dan Hernandez Screenplay
Micah Abbey Donatello (voice)
Jesse Dodd ADR Mixer
Eric Kissack Additional Editing
Daniela Kriston Researcher
Linda Lamontagne Additional Casting
David Bleich Visual Development
Isabella Spadone Story Artist
Natan Moura Visual Development
Charlie Parisi Story Artist
Josh Fagen Executive Producer
Yashar Kassai Production Design
Adam Richards Casting Associate
Chloé Nicolay Storyboard Artist, Story Artist
Jacob Flack Sound Effects Editor
Kyler Spears Co-Director, Apologetic Goon (voice)
Noel Gibson Responding Police Officer / Military Advisor (voice)
Scott Carroll Head of Animation
Jacques Daigle Head of Animation
Nacho Molina Visual Development
Adrianna A.J. Cohen Executive Producer
Natalie Canizares Sign My Baby Mom (voice)
Raechel Wong News Anchor (voice)
J.J. Villard Visual Development
Nicolas Benoit Lead Animator
Christopher Bonis Sound Effects Editor
Ray Xu Story Artist