years_active birth_place birth_date article_title name
1986 -- present los angeles , california , united states 15 january 1981 zachary bostrom
 zachary `` zach '' bostrom
zachary bostrom

zachary bostrom also credited as `` zach , '' -lrb- born january 15 , 1981 -rrb- is an american actor .
as a child actor , he was best known for his role as ernie henderson in the sitcom `` harry and the hendersons '' and kevin brady in the 1988 tv movie `` a very brady christmas '' .
in 1999 he portrayed brett , the title character 's nemesis , in the popular made-for-tv disney movie `` johnny tsunami '' .
he is currently in production as the lead of the forthcoming sci-fi web series `` necrolectric '' .
