The 21 busiest actors in Hollywood right now

Every year, it often seems like there's at least one actor who is in absolutely everything.

In 2011, it was Jessica Chastain (her most popular films being "The Help" and "Zero Dark Thirty"). This year, there are so many actors making us wonder how these people have personal lives, and how they even have the time to eat, sleep, or have more than one project going on at the same time.

These busy people have already appeared in a lot of things this year, will appear in more things in the next six months, and will appear in even more things come 2018 (and, in some cases, 2019). Tom Cruise is just the latest actor - between his new "The Mummy" out June 9, and news of an upcoming "Top Gun" sequel - to make our heads spin.

Here are the busiest actors working in Hollywood right now: