The King's Speech director on stars Firth and Rush

The King's Speech, which tells the true story of King George VI's attempt to overcome his stammer with the help of maverick Australian speech therapist, Lionel Logue, is released in the UK on Friday.

The British director of the film, which is already tipped for Oscar glory, spoke to the BBC's Tim Masters about working with the stars Colin Firth and Geoffrey Rush.

Footage of The King's Speech courtesy of Momentum Pictures