uk debut for kevin spacey movie hollywood stars kevin spacey and kate bosworth attended the british premiere of new film  beyond the sea  in london s leicester square on thursday.  spacey  45  wrote  directed and starred in the film  inspired by the life of 1950s croooner bobby darin.  this is my tribute to someone i think was a remarkable talent   said spacey  who  as darin  sings all 18 songs on the film soundtrack. bosworth  21  plays darin s wife - real life hollywood actress sandra dee.  i knew absolutely nothing about bobby darin before this film  but now i m a huge fan   said bosworth  who attended the premiere with british boyfriend orlando bloom.   there is darkness and tragedy in the story  and it was a dream for me to land this part.  actress sandra dee continues to live in los angeles as a virtual recluse  but has given her approval to the biopic.   she called me last week and said she loved it   said spacey  who was joined at the premiere by members of the boy band westlife. spacey  a double oscar-winner  has long been fascinated by the story of singer bobby darin. the voice behind mack the knife  dream lover and beyond the sea  fought childhood illness to become one the biggest stars of the 1950s  but died aged 37 from the heart condition that had troubled him all his life.  bobby darin was one of the greatest entertainers the world has ever known  and yet  because he died young  he s been kind of forgotten   said spacey at the premiere.  making this film was the most fun i ve ever had in my entire life.  the movie also stars british actors bob hoskins and brenda blethyn  as darin s mother.