Watch Ian McKellen’s brilliant impression of Maggie Smith!

It turns out that Sir Ian McKellen can do an amazing Dame Maggie Smith impression.

The Lord of the Rings actor told an hilarious story on BBC chat show The Graham Norton Show and treated viewers to a spot-on impersonation of the Downton Abbey star.

Appearing alongside The Greatest Showman star Hugh Jackman and X-Men co-star Patrick Stewart, McKellen recalled an encounter with Maggie Smith at the Oscars a few yeas ago when he’d been nominated for his role as Gandalf.

Watch the clip here:

Find out 22 surprising facts about Downton Abbey here!

Downton Abbey: The Complete Collection box set is available on DVD on Amazon.