When a robot dog from the future pops up in their backyard on a mission to help them, 11-year-old James and his beloved golden retriever, Rex, learn that it is up to them to save the world from Dr. Apocalypse, an evil scientist, and his wily robotic Destructo-Cat.
Ben Browder
Robert Miller
Kalvin Stinger
James Miller
Ethan Phillips
Randy Jenkins / Professor Apocalypse
Maggie Scott
Kara Reese
Rocky Myers
Adult James
Christopher Buster
Kyle
Gunnar J. Russell
Posse
Coleson Holman
Posse
