Michelle Dockery had a ''great'' time working with Keira Knightley in 'Anna Karenina'.

The 'Downtown Abbey' actress found it a ''real experience'' to make her big screen debut alongside such high profile names such as the 27-year-old actress, Jude Law and Aaron Johnson, and she was in awe of the ''extraordinary'' set used to film the 19th century period drama.

She told BANG Showbiz: ''The cast were all great to work with. I didn't ask them if they were fans of 'Downton'!

''It was a real experience, and I'm really looking forward to seeing the result. I don't think it will be what everyone is expecting, that story. The camera literally moves in between each room in the building, it's an extraordinary set.''

While Michelle enjoyed shooting the drama movie - which is directed by JOE WRIGHT and also stars Kelly MacDonald and Matthew MacFadyen - she admits it was an ''intense'' and ''brilliant'' experience working alongside dancers for two weeks.

She added: ''The whole process was brilliant, we worked with dancers for two weeks in an intense rehearsal process as Joe Wright used them within the film quite intensely.''