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Downton actor on Maggie's app fun

7 November 2013 Last updated at 13:35 GMT

Downton's Dowager is a dab hand at filling her on-set downtime, as revealed by her latest co-star Tom Cullen.

Speaking on BBC Breakfast the actor, who plays Lady Mary's possible suitor Lord Gillingham, says he and Dame Maggie Smith would spend time in-between takes playing on a mobile phone app.