In November 2008 David Tennant filmed a part in the Stephen Poliakoff film Glorious 39. The film is set in 1939 as war looms over Europe. Although not a large role in the film it is a character that is vital to the plot and David spent several days filming the part both while he was still playing Hamlet in Stratford and during the following week.
David Tennant plays Hector, a family friend.
The film was premiered at the Toronto International Film Festival and then at the London Film Festival in October 2009. David attended the London premiere.
Glorious 39 opened in London on 20th November 2009 and around the country on 27th November.
Glorious 39 was released on DVD in the UK on 29th March 2010.

David Tennant's movie Glorious 39 is released on DVD today, plus it will be shown on Sky Movies multiple times over the next few weeks. Updated 29/3

The DVD of David Tennant's film Glorious 39 was supposed to have been released today but it has now been delayed until 29th March. Updated 9/3

David Tennant's movie Glorious 39 is being shown as part of the Spring Film Festival in St Albans on Wednesday 10th March. See here for more details. There are two screenings - at 1.30pm and 7.30pm. Updated 7/3

FemaleFirst has a review and a photo of the cover of the Glorious 39 DVD which is relaesed on 8th March. They give it four out of five stars and it has a photo of David Tennant on the cover of the DVD. Updated 10/2

An article in The Guardian stated that Glorious 39 earnt £73K last week and is now being shown at 37 cinemas in the UK. It was the 13th highest grossing film that week. Updated 1/12
Glorious 39 will be released on DVD on 8th March. It can be pre-ordered now on Amazon at this link.Updated 30/11
On Tuesday 27th October David Tennant attended the Glorious 39 premiere at the London Film Festival in Leicester Square plus a Q&A afterwards. He was asked why he took this role and he explained that it was partly because Stephen Polikoff directed it but also because they were prepared to fit in around his other projects. (He was still playing Hamlet in Stratford-Upon-Avon during part of the filming.) EmpireOnLine have a quick video of an interview of him at the premiere here (starts at 1 minute 30) and there are photos of him here. Updated 30/10
There is a photo of David Tennant included on the poster for Glorious 39. Updated 22/10
The official trailer from Momentum Pictures of Glorious 39 is available online here but, be warned, it contains spoilers about David Tennant's character. Updated 26/9
Glorious 39 will have its UK premiere at the London International Film Festival at 6pm on Tuesday 27th October (link). Updated 9/9
Glorious 39 will have its premiere at the Toronto International Film Festival at 6pm on Monday 14th September (link). It will also be shown at the festival at 2.30pm on Wednesday 16th and at 4.30pm on Friday 18th September. Updated 30/8
The film is scheduled to run for 129 minutes and to have a 14A rating.
A detailed article about the movie on ScreenDaily.com is available online here.
The film will be premiered at the Toronto International Film Festival that month. The TIFF is one of the top prestigious film festivals in the world. In 1998, Variety magazine posted "the Festival is second only to Cannes in terms of high-profile pics, stars and market activity". There is a lot of competition for a film to be screened at TIFF so this is an important achievement for the film.
Glorious 39 was to be released on 25th September in the UK but that has now been moved to 20th November.
David Tennant plays Hector, a family friend.
David described his role as in the film as "In older days I’d call it a small part, but now I’m allowed to call it a cameo!" However David spent several days filming the part both while he was still playing Hamlet in Stratford and during the following week. The fact that other actors list him as one of the characters tends to indicate that he is making more than a cameo appearance!
In November 2008 David Tennant filmed his part in the Stephen Poliakoff film Glorious 39. The film is set in 1939 as war looms over Europe.