Simplify the following text for a Grade 6 native English-speaking person.
Original: The film covers much of Darin 's life and career , including his marriage to Sandra Dee , portrayed by Kate Bosworth .
Simplified: In 2004 a movie , Beyond the Sea , was made about Darin 's life and career . Actor Kevin Spacey , a longtime Darin fan , produced and starred in the movie , with Kate Bosworth as Sandra Dee .