We have it on good authority and from a number of sources that Guy Henry, better known to international audiences as Pius Thicknesse in the final two entries in the Harry Potter series and here in the UK as surgeon Henrik Hanssen in the popular BBC series Holby City is a member of the cast of Rogue One.
Our understanding is that he portrays an Imperial officer. Rogue One continues production under the business name of Lunak Heavy Industries, and working title of Los Alamos for a December 16th release.
Filming wrapped on location in the Maldives in early December, with shooting at Pinewood rumoured to have been completed. We await official confirmation.