A teenage son of an astronaut tries to help his father after he and a chimpanzee switch brains as the result of a space flight mis-hap in which the boy must protect the "chimp" in which his...
Christopher Collet
as Benjamin Reed
Cliff DeYoung
as Digger Reed
Annabeth Gish
as Jessie
Darleen Carr
as Lisa Reed
Keith Dorman
as Ralph
David Wohl
as Loudon
M. Emmet Walsh
as General Presser
Jay Brazeau
as Zoo Guard
Bernard Cuffling
as Galleria Manager
Don S. Davis
as Capcom
Bill Dow
as NASA Technician
Deryl Hayes
as Security Man
