Megan Fox as April O'Neil
Stephen Amell as Casey Jones
Will Arnett as Vern Fenwick
William Fichtner as Eric Sacks
Brian Tee as Shredder
Tyler Perry as Baxter Stockman
Alan Ritchson as Raphael
Noel Fisher as Michelangelo
Pete Ploszek as Leonardo
Jeremy Howard as Donatello
To-be-confirmed actor as Bebop
To-be-confirmed actor as Rocksteady