Tom Cruise Toasts His Irish Roots

Tom Cruise truly has the luck o' the Irish on his side. The Oblivion star headed to Dublin to promote his new sci-fi film, in theaters April 19, and took the opportunity to get in touch with his Irish roots and raise a glass of Guinness. Watch the video!

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"It's amazing -- there's a knight, there's a famine hero who was incredible, and it's just an extraordinary lineage," said Tom of his newly discovered family tree. "I can't wait to come back and I want to visit the land of my ancestors and the castle that they have and then it went all the way back to the tenth century basically."

Tom, who played an Irishman looking to move to America in Ron Howard's Far and Away back in 1992, was officially presented with a Certificate of Irish Heritage by Ireland's Deputy Prime Minister, Eamon Gilmore.

"It's wonderful," said Tom. "A great honor for me and I think for my whole family. I can't wait to bring it back to them and also enlighten them on their history."

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Tom also managed to fit in a Cocktail joke as he got tips on pouring the perfect Guinness pint alongside Oblivion co-star Olga Kurylenko.