Bill Murray ''never intended'' to be an actor.

The 62-year-old star, who is best known for his roles in films such as 'Lost In Translation' and 'Groundhog Day', admitted that he never set out to become famous but found himself becoming more talented when working in a ''relaxed'' atmosphere to help him get into character.

He explained: ''I never intended to do this for a living. I just realised I could. And I realised that, to be good it helped to be relaxed; the more fun I had, the better I was.

''Oh, I'll fight with people to make sure it's more relaxed. No! We're going to be more relaxed here!''

After his role as Dr. Peter Venkman in 1984's 'Ghostbusters', instead of immediately responding to the high level of success Bill decided to study philosophy at the Sorbonne in Paris, France.

When asked if he considered leaving showbusiness behind him back then, Bill told Radio Times magazine: ''Well you can't be a philosopher on top of a mountain. You need to get out in the world and put it into action.''

After shooting his latest film 'Hyde Park on Hudson', he realised how enjoyable acting was for him and experienced an overwhelming sense of pride at the finished piece.

Recalling the end of one particular scene, Bill said: ''There was this glorious sunset, and music was playing, and the crew were loading trucks to the music.

''And I did think, you know, that was a great day's work. And we were all responsible for it.''