The Meg Actress in question is Megan Fox, an American actress and model. Her first major role was as Mikaela Banes in the first two Transformers films. She has also starred in Jennifer's Body, Teenage Mutant Ninja Turtles, and New Girl. The crossword solutions for her name are Ryan (4 letters) and Tilly (5 letters). Ryan is a diminutive of Megan, while Tilly is a nickname for Matilda, which is another form of Megan.