FIRST LOOK: Game Of Thrones sneak peak unveils Prince Oberyn's deadly Sand Snake daughters as well as Joffrey Baratheon's grown-up sister Myrcella

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Formidable: Prince Oberyn's eldest daughter Obara is as good as her dad was with a spear

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Blondes have more fun: The Red Viper's third bastard daughter Tyene represents the biggest departure from her book counterpart, losing her blue eyed blonde look

Tyene meanwhile, played by Rosabell Laurenti Sellers, who is seen brandishing twin daggers, appears to show the biggest departure from her book character, who is fair-skinned, blonde and blue-eyed, and looks nothing like her half-sisters.

The new images also show Nell Tiger Free as a much older version of Queen Cersei's daughter Myrcella, who was last played by younger actress Aimee Richardson when she was sent to Dorne by Tyrion Lannister in season two.

The new pics show her with her betrothed Trystane Martell, played by new cast member Toby Sebastian, who is the son of Prince Doran, and cousin to the Sand Snakes.

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All grown up: The new images show Nell Tiger Free as Princess Myrcella, who has grown up a lot since she was sent to Dorne in season two

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Cute couple: Myrcella is betrothed to the Sand Snakes' cousin Prince Trystane, played by fellow cast newcomer Toby Sebastian

With less than four weeks to go until season 5 premieres, the show's producers have also released to new sneak peak clips, showing scenes between Peter Dinklage's Tyrion Lannister and Lord Varys (Conleth Hill); and Kit Harington's Jon Snow and Mance Rayder (Ciaran Hinds)

In the first, Tyrion, while drinking heavily, questions Varys why he helped him escape Kings Landing and certain execution after he murdered his father Tywin.

'Because your brother asked me to. Refuse the Kingslayer? A dangerous proposition,' the Spider replies.

'Not as dangerous as releasing me,' Tyrion pushes. 'You risked your life, your position, everything; why? You're not family. You owe me nothing.' 

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Rock and a hard place: Jon Snow (Kit Harington) who's not supposed to serve any king, must convince Mance Rayder (Ciaran Hinds) - who refuses to serve any king - to serve a king. Following?

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Daenerys allies?: In another newly released clip, Varys explains why he helped Tyrion escape from jail and certain execution

I didn't do it for you. I did it for the seven kingdoms. I believe men of talent have a part to play in a war to come,' Varys replies, further hinting that he will try unite the Imp and Danerys in the coming season.

In an extended scene from an already released clip, Jon Snow tries to convince the Kind Beyond The Wall Mance Rayder to join forces with Stannis Baratheon.

'You told me you weren't hear to conquer; you told me your people had bled enough,' Snow says. 

'That's right,' Rayder replies. 'I dont want them bleeding for Stannis Baratheon either.'

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Brotherly love: The new stills also show Jamie Lannister (Nikolaj Coster Waldau) and Cersei Lannsiter (Lena Headey) who face very different challenges in the upcoming season

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Chilly: Melisandre is now based at the freezing Wall in the north, so might not be as keen to disrobe this season