Vikram, 48, plays two characters in the film-- one of a normal man and other of a creature, which closely looks like an Ogre. His makeup was done by Hollywood's Weta workshop, who have done make up for films 'The Hobbit' and 'Lord of the Rings'.
'I', also starring Amy Jackson, is being dubbed in Telugu, Hindi and many other foreign languages.
The movie has been shot mainly in China. Further schedules were filmed in locations in Chennai, Bangkok, Jodhpur, Bangalore and Mysore.