I thought I saw a ghost once, but it turned out to be the other talent actually on time. There is an old hospital used for sets, such as Jenna Loves Bella, that is reported to be haunted. I don't take this stuff too seriously since the supernatural, time travel (does that add another 5% to your agent fee?), the occult, spiritual blah blah, The Secret, and most fuzzy wuzzy subjects bore me or just make zero sense.
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"What I do know is that if Karen Carpenter and Mama Cass Elliot had shared that sandwich they'd both be alive today." -Michael K