| Person | Type | Job | Role(s) |
|---|---|---|---|
 Alex Raymond | Crew | Writing | Original Story, Story |
Basil Dickey | Crew | Writing | Writer |
Ella O'Neill | Crew | Writing | Writer |
Frederick Stephani | Crew | Directing | Director, Writer |
George H. Plympton | Crew | Writing | Writer |
Ray Taylor | Crew | Directing | Director |
 Al Ferguson | Cast | Actor | Telescreen monitor (archive footage) (uncredited) |
 Bull Montana | Cast | Actor | Monkey-Man (archive footage) (uncredited) |
 Buster Crabbe | Cast | Actor | Flash Gordon (archive footage) |
Charles McMurphy | Cast | Actor | Atom Furnace supervisor (archive footage) |
 Charles Middleton | Cast | Actor | Ming the Merciless (archive footage) |
 Constantine Romanoff | Cast | Actor | Monkey-Man (archive footage) (uncredited) |
Earl Askam | Cast | Actor | Officer Torch (archive footage) |
 Frank Shannon | Cast | Actor | Dr. Hans Zarkov (archive footage) |
 Fred Kohler Jr. | Cast | Actor | Robot / Ming soldier (archive footage) (uncredited) |
 George Cleveland | Cast | Actor | Prof. Henson (archive footage) |
 Glenn Strange | Cast | Actor | Robot / Ming soldier / Gocko (archive footage) (uncredited) |
 Harry Wilson | Cast | Actor | Captured soldier (archive footage) (uncredited) |
 Jack 'Tiny' Lipson | Cast | Actor | King Vultan (archive footage) |
 James Pierce | Cast | Actor | Prince Thun (archive footage) |
 Jean Rogers | Cast | Actress | Dale Arden (archive footage) |
 Lon Poff | Cast | Actor | The High Priest (archive footage) |
 Lynton Brent | Cast | Actor | Transcontinental airplane pilot (archive footage) (uncredited) |
 Priscilla Lawson | Cast | Actress | Princess Aura (archive footage) |
 Richard Alexander | Cast | Actor | Prince Barin (archive footage) |
 Richard Tucker | Cast | Actor | Prof. Gordon (archive footage) |
 Theodore Lorch | Cast | Actor | Priest #2 (archive footage) |
 Duke York | Cast | Actor | (scenes deleted) (archive footage) (as Duke York Jr.) |
| Person | Type | Job | Role(s) |
