Cassandra Peterson: Under The Wig

September is a big month for actress Cassandra Peterson. Find out why with Halloween Every Night's fun facts. / Illustration by Allison Jimenez

Actress Cassandra Peterson — A.K.A. Elvira, Mistress of the Dark — is  celebrating a big September. Marking her 70th birthday as well as the 40th anniversary of the show that launched her career, Movie Macabre, Halloween Every Night gathered together a few key facts for readers to celebrate the most successful horror host in history.