The star won the Best Actor Oscar for his performance as an AIDS patient in the movie, and director Jean-Marc Vallée claims when he got on board he became the driving force behind getting it made - a process which had taken almost 20 years.
He told People magazine: "He became the engine that pulls the train out of the station and brings it to its destination."
And behind the 44-year-old star - who lost 47lbs for his role in the movie - is his family, and Jean-Marc says his wife, Camila Alves, is a huge influenc...
The pair star in the comedy series about a couple who video themselves recreating the Karma Sutra - a famous ancient Indian sex manual - only for it to go missing, and filming the initial scenes required a certain level of intimacy between the co-stars.
Cameron told People magazine: "[We] got to know each other very well. Our day was, 'My butt is going to be in your face, your package is going to be in my face."
Despite the raunchy subject matter, the health conscious star says the shoot was one of the mo...