The Orbiting Human Circus (of the Air) is a fictional radio drama podcast written and created by Julian Koster, and published by Night Vale Presents. It is the fourth podcast to be released under the Night Vale Presents name. The podcast stars Koster as Julian the janitor, a shy, sensitive employee of the Eiffel Tower who dreams of joining the fictional radio show also titled The Orbiting Human Circus of the Air, which is broadcast from a large ballroom at the top of the tower. Listeners of the podcast hear Julian the janitor's inner thoughts as he discusses his situations with The Narrator, played by Drew Callander, an imaginary voice only Julian can hear. In addition to the conversations in his head, Julian interacts with the staff and talent of The Orbiting Human Circus of the Air, notably voiced by actors such as John Cameron Mitchell, Cecil Baldwin, Tim Robbins, Charlie Day, and Mary Elizabeth Ellis. One of the most prominent themes of the podcast is the pain of loneliness.
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