The mentalfloss.com Brain Game presents: Tuesday Test Time. Good luck!

What common factor links these 5 actors?

Clint Eastwood
Margaret Leighton
Eric Balfour
Tommy Lee Jones
Ernest Borgnine

Here is the SOLUTION.

THE SOLUTION:

All have last names that contain numbers:

Clint Eastwood (2)
Margaret Leighton (8)
Eric Balfour (4)
Tommy Lee Jones (1)
Ernest Borgnine
(9)

NOTE: Because of the nature of these types of puzzles, other answers may also be considered correct. If you feel that your answer was legitimate (beyond "none of them have ever been in my kitchen") feel free to share it in the comments below.