Cortometraggio muto
Mr. Hyppo
Crediti
| Ruolo | Interpreti | Personaggio | Accreditato come |
|---|---|---|---|
| Cast | James Parrott | Professor Egg | — |
| Cast | Jobyna Ralston | Professor's assistant | — |
| Cast | Eddie Baker | Rival hypnotist | — |
| Cast | George Rowe | Stagehand | — |
| Cast | Helen Gilmore | Woman in front row (left side) | — |
| Cast | Owen Evans | Man in front row (right side) | — |
| Cast | Al Forbes | Volunteer | — |
| Regia | George Jeske | — | — |
| Produzione | Hal Roach | — | — |