I usually don’t throw up RIP posts for actors and actresses who have died, but I have to make an exception for Peter Graves, the star of television’s Mission: Impossible and possibly one of the greatest and most recognizable voices of all-time. Mr. Graves died yesterday afternoon at his home from natural causes (sounds like he had a heart attack). He was 83 years old. Of course, I remember Peter Graves from his role in 1980’s Airplane!, where he played …