Cassandra Peterson: Cassandra Peterson. Actress: Elvira: Mistress of the Dark. Cassandra Peterson was born in Manhattan, Kansas, and grew up in Colorado Springs, Colorado. She began her career at age 17 as the youngest showgirl in Las Vegas history in the show "Vive Les Girls" at the Dunes Hotel. After receiving advice from "The King" himself, Elvis Presley, she traveled to Europe where she pursued a career as a singer and actor....
