Cecilia Blair is a young British actor and singer, she plays the role of Young Martha in "Wake Up Dead Man: A Knives Out Mystery" written and directed by Rian Johnson. In cinemas from November 26th and on Netflix December 12th. Cecilia can also be seen in her recurring role as Young Lucy in "The Devil's Hour" in Season 1 and in Season 2 out now on Amazon Prime Video, with Jessica Raine, Peter Cap... show more