Early on Sunday, Jan. 20, Plummer boarded a plane back to New York and went on to his Connecticut home. Ledger took a different London-to-New-York flight and repaired to a SoHo apartment where, two days later, he was found dead. EW spoke with Ledger's final costar about what happened, what the filming was like, and what may or may not become of the last scenes Ledger ever performed.
ENTERTAINMENT WEEKLY: It seems incomprehensible.
CHRISTOPHER PLUMMER: We're all a bit befuddled at the moment. It's so sad. Heath did have a terrible, lingering bug in London, and he couldn't sleep at all. We all -- I thought he'd probably got walking pneumonia, which they seem to think he had. Of course I don't really know, but that's the latest.