James Napier Robertson Conner McKnight, Red DinoThunder Ranger Actor Kevin Duhaney Ethan James, Blue DinoThunder Ranger Actor Emma Lahana Kira Ford, Yellow DinoThunder Ranger Actor Latham Gaines Mesogog Actor Miriama Smith Elsa Actor Katrina Devine Cassidy Cornell Actor Tom Hern Devin Del Valle Actor Jason David Frank Dr. Tommy Oliver Actor Ann Austen Executive Producer, Writer Douglas Sloan Executive Producer Andrew Merrifield Director