Answer the following question: Formulate an answer to this elaborate question: Calvin Valentine is a fictional character from the British Channel 4 soap opera, "Hollyoaks", played by Ricky Whittle, Calvin appeared again as a ghost to tell his wife and Theresa's sister Carmel McQueen, played by which former English actress, model and yoga teacher, born on 6 February 1984?
Answer:
Gemma Anna Merna