Martin Freeman has claimed it's best for stars to not outstay their welcome.

The actor - known for his roles in the likes of 'The Hobbit' trilogy - suggested iconic rockers The Beatles wouldn't be a fondly remembered if they'd lasted longer than their seven-year run as a band.

Discussing whether he thinks UK TV series 'Sherlock' might benefited from a shorter run, he said: ''I do! Based on my own previous [experience], really - there were only two seasons and a Christmas special of 'The Office' and people still eulogise that, people still talk about that - luckily for us.

''I always kind of think if The Beatles were still around now, people would've lost interest quite a long time ago. Seven years of recording - it's there forever. I think not outstaying your welcome is a vital ingredient.''

Martin also discussed being recognised in public, and admitted his role as Dr. Watson in the BBC drama seemed more popular than Bilbo Baggins in 'The Hobbit'.

Speaking to Graham Norton on Radio 1, he said: ''On the street, I would say Watson nudges it.

''Bilbo gets a lot. For years, of course, it was Tim [from 'The Office'] and that was my primary street-shouting thing.

''But probably now, it's an amalgamation of all of them but the front-front is Dr. Watson.''