Nicola Coughlan as Clara Levinson

Henry Cavil as Derek Parker

Michelle Dockery as Mary Crawley

Jessica Brown Findlay as Sybil Crawley

Laura Carmichael as Edith Crawley 

Hugh Bonneville and Elizabeth McGovern as Robert and Cora Crawley 

Maggie Smith and Penelope Wilton as Violet and Isobel Crawley 

Dan Stevens as Matthew Crawley 

Sarah and David Levinson ( Clara's Parents )