They'll star in the Iranian Embassy siege filmA film boasting Mark Strong, Jamie Bell and Abbie Cornish in the cast? Don’t mind if we do. That’s the line-up promised by director Toa Fraser and his new based-on-truth thriller 6 Days.According to Deadline, the film will be drawn from the events in April 1980 when six armed gunmen took over the Iranian Embassy in London and held more than two-dozen people hostage.