Oddette Yustman (sp?) the hot chick from cloverfield and is in some new horror movie, was one of the kids in Kindergarden Cop.
Nikki Cox had a brief speaking roll in Terminator 2
The fat male lawyer from the Practice played a door man in the very first episode of the Conan Obrien Show, it was his first roll on tv.
Dule Hill from Psych and The West Wing played Bud on the Cosby show.