Cillian Murphy is Time Keeper August 9, 2010 Murphy to star in I’m.mortal?? Cillian Murphy is in talks to join the upcoming film “I’m.mortal”. Based on Andrew Niccol’s latest sci-fi drama, the story is set in the not-too-distant future, when the aging gene has been switched off. To avoid overpopulation, time has become the currency and the way people pay for luxuries and necessities. When a poor man named Will is suddenly given a fortune, he becomes the target of a murder investigation and kidnaps an heiress while on the run. Murphy will play an officer from an organization known as Timekeepers and described as “precise as the time he keeps.” The Inception star will join Amanda Seyfried and Justin Timberlake in the picture.