Tony Coburn cast as Young Lucius Malfoy has online an interview with Tony Coburn, who will be playing Young Lucius Malfoy in Half-Blood Prince. In the interview, he talks about what scenes he's filmed and who he's worked with:

BH: Have you filmed your scenes for Half-Blood Prince? In which scenes are you involved?
TC: The scenes have been shot and I was in a dinner scene with Professor Slughorn. I was also an extra in Dumbledore’s death scene which was a night shoot.

BH: Who did you work with? Who did you meet?
TC: I acted with Jim Broadbent and was in the death scene with Michael Gambon, Daniel Radcliffe, Maggie Smith and Robbie Coltrane.

To read more of what he has to say, including how he prepared for the role, check out this translation at Thanks to them for the tip!