Sylvie Sadarnac is an American actress and writer. Based in Chicago, she has appeared in television and film, as well as the online series Patriot. Sylvie also works commercials, industrial videos, and the occasional print assignments. She owns a Certificate of Comedy Writing from The Second City in Chicago, where she saw one of her sketches performed in the first Mary Scruggs Works by Women Festival. Fluent in French, and proficient in Spanish, Sylvie writes under the nom de plume Saffi Karlsen.