<P> In January 2011, it was reported that Édgar Ramírez and Toby Kebbell were in negotiations to play Ares and Agenor respectively . It was also reported that Bill Nighy was being courted to play Hephaestus . Additionally, Hayley Atwell was on the shortlist of actresses screen testing for the role of Andromeda, played in the previous film by Alexa Davalos who left due to a scheduling conflict . Other actresses being considered for Andromeda included Georgina Haig, Janet Montgomery, Dominique McElligott, and Clémence Poésy . </P> <P> In February 2011, it was reported that Rosamund Pike was near a deal for the part . Also in February, Liebesman announced that Wrath of the Titans would be converted to 3D rather than shot in 3D as previously reported despite the negative criticism the first Clash of the Titans received for its use of post-conversion 3D . Liebesman explained, "I think what you have to remember is the first film was neither shot nor edited with 3D in mind . It was shot as a 2D movie and edited as a 2D film, and they decided to convert it with six or seven weeks to go until release, which is insane; the technology was not there . That's why we're conceiving it from the start, from the ground up, in 3D, editing in 3D for 3D ." Liebesman also stated the reason behind the conversion was because he wants to shoot on film, which will give the film's imagery better texture than he would get shooting digitally . </P> <P> Principal photography began on March 23, 2011 . Filming took place in studios outside London and later shot on location in Surrey, South Wales and in the Canary Islands on the island of Tenerife and Torres del Paine National Park in Chilean Patagonia . </P> <P> Wrath of the Titans premiered on Monday, March 26, 2012 at the AMC Lincoln Square Theater in New York City . </P>

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