May 5 (UPI) -- David McCallum announced on Facebook he has signed on for another season of "NCIS."
"I am delighted to say that I have reached an agreement with CBS for Dr. Donald Mallard to stay with NCIS for Season 16. Once again it will be a limited schedule. That arrangement will allow me to spend time with Katherine, our children, six grandsons and Nickie, pictured below!" the actor wrote in a post this week.