• Mark Addy, Sean Bean, Emilia Clarke , Nikolaj Coster-Waldau

Mark Addy, Sean Bean, Emilia Clarke , Nikolaj Coster-Waldau (Photo : Reuters)

The trailer of "Game Of Thrones" Season 5 is now available on the official Facebook account of the HBO drama.

However, the trailer was apparently released earlier than planned. An exclusive trailer was shown to fans who attended the special IMAX presentation of "Game Of Thrones" Season 5 on Jan. 29, Thursday.

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After the event, however, the trailer was leaked online, which forced the producers to release the official version online shortly afterwards. 

Just one hour after its release, the two-minute "Game Of Thrones" Season 5 trailer on Facebook received more than one million likes.

One thing that not many fans know about the HBO's hit show "Game of Thrones" is that six of its actresses have played X-rated roles in the past, Radar Online revealed.

Under the name Dilara, Sibel Kekilli starred in German porn movies, such as "Beauty of Sex and Hay Ride," over ten years ago. She played the role of Shae, lover of Tyrion Lanniste played by Peter Dinklage, in Season One as a guest star but was eventually included in the regular cast.

Like Jessica Jensen who appeared in porn movies including "Extreme Mothers 2" more than a decade ago, Samantha Bentley appeared in almost 50 porn movies.

Aeryn Walker started out as a porn actress in X-rated anime films and sci-fi costume plays. With the help of Walker, a "Game Of Thrones" role was given to Maisie Dee, who played one of the prostitutes of Petyr Baelish played by Aidan Gillen and a sex partner of Joffrey Baratheon played by Jack Gleeson.

Sahara Knite also played one of Baelish's prostitutes in Season One and was in the show's controversial girl-and-girl scenes. Before this, she starred in porn films including "Sahara Knite's Foot Tease," "Barely Legal Spoiled Brats," "Bangladesh Booty 2" and "Burrit-Hos."