A documentary about the Republic serials of the 1930s, '40s and '50s, hosted by Leonard Maltin, and featuring interview segments with a serial writer, director, actors and actresses.
| Actor | Role |
|---|---|
 Leonard MaltinHost | Host |
 William WitneyHimself | Himself |
 Frank Coghlan Jr.Himself | Himself |
 Peggy StewartHerself | Herself |
 Linda StirlingHerself | Herself |
| BBarry ShipmanHimself | Himself |
 Clayton MooreHimself | Himself |