Directed by
| Henry MacRae | ||
Writing Credits (in alphabetical order)
| Gardner Bradford | ... | (titles) |
| George H. Plympton | ... | (screenplay) |
| George H. Plympton | ... | (story) |
| William Lord Wright | ... | (story) |
Cast (in credits order)
| Rex | ... | Rex, the World's Greatest Horse (as Rex the Wonder Horse) | |
| Jack Perrin | ... | Jack Merritt | |
| Helen Foster | ... | Margie Smith | |
| Tom London | ... | Martin Trask | |
 |
Starlight the Horse | ... | Starlight, Jack's Horse |
| Rest of cast listed alphabetically: | |||
| Jim Corey | ... | Bit Role (uncredited) | |
Cinematography by
| George Robinson | ||
Editing by
| Tom Malloy | ... | (as Thomas Malloy) |
