Jessi Williams
From LGPedia
Jessi Williams is the actress that plays Lucy. She is an aspiring actress and currently a receptionist at the New York Film Academy where Jessica Lee Rose was a student.
This information was made public when the Creators provided TWJaniak with production credits for use on the LGpedia. Before Jessi Williams was revealed to be the Lucy actress, fans speculated that Amy Aitken, Liza Weil or Amanda Goodfried played the role.