 |
Daws Butler as Loopy De Loop (voice) |
 |
Хэл Смит as Elderly Woman / Mr. Hyde (voice) |
 |
Don Messick as Car Owner / Dr. Jekyll (voice) |
| Directing | Уильям Ханна | Director |
| Production | Уильям Ханна | Producer |
| Directing | Джозеф Барбера | Director |
| Production | Джозеф Барбера | Producer |
| Writing | Warren Foster | Story |
