Doris Day
Singer and actress Doris Day was on an episode of The Tonight Show back in 1974. She talked about the many famous co-stars she’s worked with, including Clark Gable and James Garner, as well as being an animal welfare activist.
Cassandra Peterson
Cassandra Peterson had quite the memorable appearance on The Tonight Show when Joan Rivers was one of the guest hosts. On the Halloween 1985 episode, she showed up as Elvira, Mistress of the Dark, Peterson’s gothic vampire alter-ego that she starred as in films and cameo appearances including on RuPaul’s Drag Race.