As an actor, director and producer, Ray Harryhausen has been a vibrant figure in Hollywood, working on everything from family films to mind-bending sci-fi. But his true genius lay in the creation of special effects for movies such as Mighty Joe Young and It Came from Outer Space. Narrated by Leonard Nimoy and featuring appearances by George Lucas and Ray Bradbury, this film documents Harryhausen's remarkable life's work.
| Actor | Role |
|---|---|
 Leonard NimoySelf - Narrator (voice) | Self - Narrator (voice) |
 Ray BradburySelf | Self |
 Ray HarryhausenSelf | Self |
 George LucasSelf | Self |
 Dennis MurenSelf | Self |
 Charles H. SchneerSelf | Self |
 Henry SelickSelf | Self |
 Tom HanksSelf (archive footage) (uncredited) | Self (archive footage) (uncredited) |