"Zeus took over the heavens and Poseidon got the oceans, but Zeus tricked Hades into ruling the underworld.  So Hades now sees his chance for revenge by tricking Zeus into starting a war with the humans.  Initially fooled by Hades’ brotherly pleas, Zeus thinks maybe Hades is right maybe they’ve got to teach humanity a lesson."

"We could have gone two routes with Zeus," observes Leterrier. We could’ve gone with the white hair, white beard, toga, throne-sitting Zeus.  But that’s not what I wanted. This Zeus leads a war; he’s active, he’s tough.  His weakness is that he loves mortals, especially mortal women."

"Liam’s physicality was perfect for the part," Iwanyk states of the actor. "He’s big, he’s strong, he has that great, authoritative voice, but he has a very sweet face and very emotional eyes. 

The Zeus that we conceived is king of the gods and very powerful, but he’s also hurt; he’s thrown, he’s confused, he’s gone soft.  Liam’s a very intense, imposing figure, but he can play that softness, that emotion in his face."

Preying on his brother’s pain at the loss of mortal devotion, Hades convinces Zeus to let him put fear into the hearts of men, saying that fear will bring their prayers back to Zeus and, along with them, Zeus’ power over them.  But in reality, human fear makes Hades stronger, not Zeus.  Acclaimed actor Ralph Fiennes plays the part of the cunning underworld ruler eager to take his rightful place in the heavens. 

"Ralph is not what you would consider a physically imposing man," Iwanyk says, "but he has an ability to convey tremendous intensity, rage and strength.  He wanted to bring this incredibly terrifying, unique character to the screen, and he did."

The producer also appreciated what Fiennes real-life friendship with Neeson added to the mix. "Hades and Zeus have a very complicated relationship onscreen, because they are not just adversaries, they are brothers.  Ralph and Liam’s friendship really added to that dynamic."

"The gods are in a state of emergency," states Fiennes, "and Hades walks onto Olympus, with its vast marble hall set up high in the clouds, and sees what he has been missing being down below with the damned and the dead for so long. And he isn’t a god of compassion. 

2He’s been betrayed by Zeus, and he figures it’s his turn now.  So he goes to the city of Argos and demonstrates his wrath and his power over them.  He demands the sacrifice that ultimately sends Perseus on his expedition."

The sacrifice Hades demands is a heavy one indeed, the life of Argos’ princess, Andromeda, to be fed to his monstrous spawn, the Kraken, at the coming eclipse.  Alexa Davalos plays the fated royal, a kind and generous young woman who is prepared to give her life if it will save the people of Argos.

"Andromeda is definitely headstrong and rebellious," says Davalos. "But there’s a vulnerability that goes along with those qualities.  She’s fighting the history and the royalty of her family and forging her own way; she’s truly connected to the people in a way her parents aren’t." 

Despite Andromeda’s willingness to sacrifice her life, Perseus is not willing to let her die without a fight, which becomes the impetus for his heroic mission.

Accompanying Perseus on his quest is Io, whose destiny is tied to his, and who is something of a guardian angel to him.  Actress Gemma Arterton portrays the mystical guide, neither mortal nor god, who shadows Perseus on his travels.  Like many in the cast and crew, Arterton was a fan of the original film.

"I watched it about 50 times as a kid, so when I learned I had a role in the new version, I was over the moon," she relates. "I pretended that I wasn’t fazed by it, but I quickly phoned my mum and my sister." 

Ironically, the character she plays wasn’t in the original movie. "That was even more exciting because I got to be involved, but also do something new and different to me."

Leterrier describes the contrast between the two women in Perseus’ story. "To me, they represent the two worlds that he is torn between the world of man that he was raised into and the world of the gods that he belongs in and he will have to make a choice.

The director couldn’t have been more pleased with the casting of both women.  "Alexa and Gemma are wonderful actresses. Like the princess, Alexa is extremely grounded and extremely human, whereas Gemma is very ethereal, with porcelain skin that can look almost transparent, like you could go through her if you were to touch her face."

Neither actress was too delicate, however, for the physical demands of their roles. "They were both part of the adventure, so like the boys it was, ‘Come on, let’s go girls,’ and they did, and it was great," the director says.

While saving Andromeda’s life is the catalyst for Perseus’ journey, and Io acts as his spiritual guide, Draco, a world-weary soldier, is the first to take up his sword and join the quest.  He becomes something of a mentor, endeavoring to impart some knowledge of swordplay and battle strategy to the stubborn demigod along the way.
 
"Draco is a body man to the princess and a former warrior who’s heading toward retirement," says Mads Mikkelsen, who plays the part. "He knows the Kraken can’t be killed, so when he gets this final task to go with Perseus, he’s not happy about it, but his training makes him the best man for the job."

Fortunately, the actor and former gymnast felt differently. "When they said they wanted me to swing around on a rope with a sword, it reminded me of what I used to dream about as a kid, so that was very cool."
 
One of the characters Perseus, Draco and their fellow journeymen come up against is half-man, half-monster Calibos.  A former king, Acrisius, he became a beast when Zeus struck him with a lightning bolt.  Veteran actor Jason Flemyng plays the dual role. "I’ve known Jason for years and he’s a terrific actor," remarks Leterrier. "He really wanted to play Calibos, and he’s played Jekyll and Hyde before, so I thought it would be perfect for him."
 
"When you’ve got four hours of prosthetics to apply, they say, ‘Let’s get Flemyng!’" jokes the actor. "But I was eager to work with Louis again.  And any day you walk onto a set and Liam Neeson and Ralph Fiennes are there is a great day’s filming."

Also among the many talented actors from around the globe in the film’s cast are Danny Huston as Poseidon, god of the sea; Pete Postlethwaite as Spyros and Elizabeth McGovern as Marmara, Perseus’ adoptive parents; Luke Treadway as Prokopion, Argos’ vociferous prophet of Hades who continually calls for Princess Andromeda’s death; and Liam Cunningham, Nicholas Hoult and Hans Matheson as Solon, Eusebios and Ixas, three of the memorable journeyman who aid Perseus in his quest.
 
The impressive cast made up something of a 'United Nations' on the set, with representation from America, Australia, Denmark, Ireland, Israel, France, England, Poland, Scotland and more.

A Frenchman himself, Leterrier recalls asking several of his actors at the start of filming if they were ‘ready to be wet, dirty, miserable, hot, hungry and in pain for the next six months?’ Each person said ‘yes.’ And they regretted it every day!' he laughs.

Clash of the Titans is released 2nd April.

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