Welcome to WatchMojo, and today we’re counting down our picks for the 100 greatest comedic actors and actresses of all time. We’ll be focusing exclusively on movies and television, not stand ...

There is a reason that actors and actresses have been cultural icons since the conception of celebrity. Before there were films, stage actors, vaudeville performers and opera singers gained renown.

Here is our list of notable actors and actresses who significantly changed their look for potential Hollywood glory. Listed in alphabetical order.

Here are some actors and actresses that we've seen in countless movies and television shows, but can't think of their names for the life of us.