Don Cesar De Vega crosses swords with a vicious member of the Queen's Guard, and steals the affection of a young heiress. When the officer frames the young upstart for murder, Don Cesar fakes his own death and retreats to the crumbling ruins of the family castle he plots his vengeance.
Unfortunately the movie Don Q Son of Zorro is not yet available on HBO Max.
| Directing | Donald Crisp | Director |
| Writing | Hesketh Prichard | Novel |
| Writing | Kate Prichard | Novel |
| Writing | Jack Cunningham | Writer |
| Writing | Lotta Woods | Writer |
| Costume & Make-Up | Perc Westmore | Makeup Artist |
| Lighting | William S. Johnson | Lighting Artist |
| Editing | William Nolan | Editorial Services |
| Costume & Make-Up | George Westmore | Makeup Artist |
| Directing | Frank Richardson | Assistant Director |
| Art | Harold MacChesney | Property Master |
| Production | Douglas Fairbanks | Producer |
| Sound | Mortimer Wilson | Original Music Composer |
| Camera | Henry Sharp | Director of Photography |
| Production | Robert Fairbanks | General Manager |
| Visual Effects | Cleo E. Baker | Visual Effects |
| Costume & Make-Up | Ern Westmore | Makeup Artist |
