#12 Nicki Aycox
Not many people were aware that Nicki Aycox was also a singer in addition to being an actor. Aycox has been in several movies, including Jeepers Creepers 2 (2003), Perfect Stranger (2007), and The X-Files: I Want to Believe (2008). But it was her role as Meg Masters in the first season of Supernatural that made her a household name.
In 2015, she put out her debut EP, Red Velvet Room, which featured five of her original compositions. It was revealed that she was diagnosed with leukemia in 2021, and she died at the age of 47 due to complications from the disease.