That was Helena Bonham Carter as the Queen, and Oscar-winner Geoffrey Rush as the speech therapist.

VOA: special.2010.12.13

Dominic West will play Burton, while Helena Bonham-Carter is to portray Taylor, who died in 2011.

BBC: Richard Burton: St David's Day Hollywood Walk of Fame star

Mr Swain became involved in the film after Helena Bonham-Carter, who plays the Queen Mother, recommended him to director Tom Hooper.

BBC: King's Speech voice coach 'proud' of Firth's stammer

Personal favorites include Helena Bonham-Carter's banshee-like Bellatrix LeStrange, Gary Oldman's stalwart Sirius Black and Maggie Smith's dotty but redoubtable Minerva McGonagall.

CNN: Review: Final 'Harry Potter' goes out with a bang