Top billed cast
Full cast & crew →
Melanie Griffith
Tyra (voice)
William Baldwin
Pamela Adlon
Ernie (voice)
Tara Strong
Julia (voice)
Fred Tatasciore
Dr. Santiago (voice)
John DiMaggio
Horace / Big Guard (voice)
Grey DeLisle
Baby T-Rex (voice)
Dee Bradley Baker
Dinosaur Noises (voice)
Jessica DiCicco
Additional Voices (voice)
Ben Diskin
Additional Voices (voice)
Roger Craig Smith
Additional Voices (voice)