Giamatti will join Julia Roberts, Clive Owen and Tom Wilkinson in Duplicity.
Giamatti will play an industrialist engaged in a fierce game of corporate one-upmanship against a rival titan, played by Wilkinson (who plays Benjamin Franklin in John Adams). Roberts and Owen play two spies-turned-corporate operatives who work on opposite sides but are having a clandestine love affair. Billy Bob Thornton had been in talks for the businessman role.
Tony Gilroy will direct Duplicity off a script he wrote.
Source: Can Mag