Legend Of Horror was cobbled together from an Argentinian Edgar Allan Poe adaptation called Obras Maestras del Terror (the flashback sequence transforms into “The Tell-Tale Heart”) and some American wrap-around footage from 1966.
| Directing | Bill Davies | Director |
| Directing | Enrique Carreras | Director |
| Editing | William R. Lieb | Editor |
| Directing | Ángel Acciaresi | Assistant Director |
| Production | Enrique Torres Tudela | Producer |
| Camera | Vic Goss | Key Grip |
| Costume & Make-Up | Art Werner | Makeup Artist |
| Camera | Robert Caramico | Assistant Camera |
| Production | Henning Bystron | Production Coordinator |
| Camera | Mario Tosi | Director of Photography |
| Sound | Víctor Schlichter | Music |
| Art | Ray Storey | Art Direction |
| Production | Vicente Marco | Associate Producer |
| Lighting | Foster Denker | Gaffer |
| Writing | Chicho Ibáñez Serrador | Writer |
| Sound | Stan Hofman | Music |
| Production | James C. Gates | Associate Producer |