United Kingdom, July 8 -- Matt Damon got a tattoo because he thought his "bare bicep days were over".

The 55-year-old actor stars in Sir Christopher Nolan's Greek epic The Odyssey as Odysseus and while the director had despaired at the "nightmare" of covering all the supporting cast's body art, he thought it would be much easier with his lead - only to discover he has a "tasteful" inking of wife Luciana's name along with those of their daughters Alexia, 27, Isabella, 20, Gia, 17, and Stella, 15, in cursive script at the top of his arm.

Christopher told Amy Poehler on her Good Hang podcast: "I had a moment with him at his first wardrobe fitting because we'd be fitting all of the supporting cast - all the guys who play his crew and some y...