More crew on board The Boat that Rocked

It’s getting more crowded on Richard Curtis’ The Boat That Rocked, as it seem to turn into a beautiful British ensemble project:
January Jones (Love Actually)
Rhys Ifans (Spike from Notting Hill)
Kenneth Branagh
have just boarded.
Add Bill Nighy and Philip Seymour Hoffman to that mix and it is getting rather explosive.
Shooting starts in the beginning of March in [...]