Kind of a BIG deal: Actor Chris Noth, pictured with library staff, is in Cavan resesarching his ancestry.

Who's the BIG star spotted about Cavan?

Who's the BIG star about Cavan?

Sex and the City and Law & Order fans had their head turned this afternoon as 'Mr Big' himself was been spotted around Cavan Town.

Star-struck fans contacted the Celt to say that Chris Noth was spotted dining in the Farnham Arms hotel.

It is understood that the Wisconsin actor is researching his Irish roots as part of a 'Who Do You Think You Are'-style TV show for an American production company. His IMDb profile confirms that Chris has German, English and Irish ancestry.

Noth spent seven years as Carrie Bradshaw's love interest, Mr Big, and can be currently seen in TV series The Good Wife.