However, the film features appearances by:
* James Randi: The subject of the documentary himself.
* Various experts and skeptics: Including scientists, magicians, and other individuals who have worked with or been influenced by Randi.
* Archival footage: Of Randi's career, including his appearances on television shows and his investigations into paranormal claims.
The film is a powerful and engaging portrait of Randi's life and work, and it features a wealth of compelling interviews and archival material.