Court métrage muet
Mr. Hyppo
Générique
| Rôle | Interprètes | Personnage | Au générique comme |
|---|---|---|---|
| Distribution | James Parrott | Professor Egg | — |
| Distribution | Jobyna Ralston | Professor's assistant | — |
| Distribution | Eddie Baker | Rival hypnotist | — |
| Distribution | George Rowe | Stagehand | — |
| Distribution | Helen Gilmore | Woman in front row (left side) | — |
| Distribution | Owen Evans | Man in front row (right side) | — |
| Distribution | Al Forbes | Volunteer | — |
| Réalisation | George Jeske | — | — |
| Production | Hal Roach | — | — |