Ernie, Julia, and Max accidentally start a time-machine and find themselves back in time 65 million years, where they are adopted by a doting dinosaur mom and a rambunctious dinosaur brother while, back in the present day, their parents plot their rescue.
Melanie Griffith
as Tyra
Jane Lynch
as Sue
William Baldwin
as Sarco
Stephen Baldwin
as Surly
Bob Schneider
as Dodger
Pamela Adlon
as Ernie
Yuri Lowenthal
as Max
Tara Strong
as Julia
Fred Tatasciore
as Dr. Santiago
Nolan North
as Morris
Tom Kenny
as Boris, Guard #2, Tour Guide, Burger Attendant
John DiMaggio
as Horace, Big Guard
