United Kingdom, Feb. 10 -- Jared Harris annoys his wife by quoting lines from 'Hamlet' in every day conversations.

The 'Mad Men' star, 63, has admitted he's obsessed with William Shakespeare's play and manages to get quotes into even the most unlikely daily scenarios - much to the annoyance of his wife Allegra Riggio.

Jared told The Independent newspaper: "My wife [TV host Allegra Riggio] loves 'Poirot', so every time the word 'murder' comes up, I always go: 'Murder most foul, as in the best it is/ But this most foul, strange and unnatural'.

"Every time. She actually gets really annoyed with me for quoting Hamlet so much."

He went on to add: "When we fly separately, I let her know that I've got through security OK by texting her 'safe...