Do You Know Your Actors?

Let's quiz you on how well you know actors. Remember, it's a quiz, not a test. So this will not be that big of your grade.

1 Who starred in "Indiana Jones: Raiders of the Lost Ark?"
2 Who was not a character in "I, Robot"?
3 Who's real name has the last with "Joaquin"?
4 Who is the brother of Tom Cruise in "Rain Man"?
5 Who is a voiceover in "Astro Boy"?