box. She's excellent! Filmoria: Did you meet Patrick Jephson before filming? CE: No, I haven't. I read his book! It was very interesting -- I mean, so many people wrote books about it but his is very interesting. I think the script is very good. Filmoria: It's a tough area to approach, with Diana's death still so vivid for many people. CE: I know. We'll see what they say... who knows? Filmoria: So with Diana and Downton all wrapped up for now, what else do you have lined up? CE: I'm doing a film called Philomena . Judi Dench is doing it. It's about a convent for 'fallen girls' and they have their baby in the convent and then the convent sells their babies to childless couples from America etc. It's a true story based on a book by Martin Sixsmith. Steve Coogan has written the script and he's playing the journalist [who helps Philomena (Dench) track down her child]. I play a friend of Coogan's. Filmoria: Thanks Charles! According to Hugh Bonneville's Twitter feed , there will be a two-hour Christmas special of Downton Abbey to look forward to but, as yet, there is no word on whether or not there will be a series four. Diana is expected to have a 2013 release and Philomena starts filming in the next few weeks.