Corto mudo
Mr. Hyppo
Créditos
| Función | Intérpretes | Personaje | Acreditado como |
|---|---|---|---|
| Reparto | James Parrott | Professor Egg | — |
| Reparto | Jobyna Ralston | Professor's assistant | — |
| Reparto | Eddie Baker | Rival hypnotist | — |
| Reparto | George Rowe | Stagehand | — |
| Reparto | Helen Gilmore | Woman in front row (left side) | — |
| Reparto | Owen Evans | Man in front row (right side) | — |
| Reparto | Al Forbes | Volunteer | — |
| Dirección | George Jeske | — | — |
| Producción | Hal Roach | — | — |