COMEDIAN Billy Connolly will be among the familiar faces who will be delving back into their family history for a new series of BBC1's Who Do You Think You Are?.

The show will trace his family tree going back from his father William and mother Mary, who abandoned him and his elder sister Florence when he was three.

Also starring when the programme returns later in the summer will be Great ­British Bake Off presenter Mary Berry, Mrs Brown's Boys creator Brendan O'Carroll and the actresses Julie Walters and Sheridan Smith.

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The programme will reach its 100th edition in the series.

The line-up of 10 stars is completed by actors Brian Blessed and Martin Shaw, DJ and presenter Reggie Yates, actress Tamzin Outhwaite and model Twiggy.

There will also be an hour-long edition looking back over the past decade, involving figures who have previously been featured, including JK Rowling and Jeremy Paxman.