tv/ movies: Born March 14, 1933, He starred in this movie: Play Dirty - 1969?

Questions

ben affleck played ct on what 80's science education television show?

on diff'rent strokes,what pet did arnold keep in his room?

what was the name of the older brother on happy days?

if you saw a segment of "mathnet," what show were you watching?

what was the name of the principal on saved by the bell?