In the world of cameos Sigourney Weaver’s appearance on Ben Gregor’s Doc Martin last night is surely the ultimate coup.

It’s safe to say the best cameos are the ones that you don’t see coming and this delightful combo of Hollywood A-lister Alien star and Cornish family doctor (Martin Clunes) is one we’d never have paired which makes it all the more peculiar and all the more brilliant.

Our very own Ben Gregor spent the summer in Cornwall splitting his time between surfing and directing Series 7 of Doc Martin for ITV which has topped Monday night ratings since it started last month.

Of the Oscar-nominated star who is most famous for her iconic performance as Ripley in Alien as well as roles in Gorillas in the Mist and Ghost Busters, he says "Sigourney is funny and has a generous spirit and is just lovely to be around”.

Have a look-see here: Sigourney Weaver Cameos In Doc Martin