Directed by
| Joseph Barbera | ||
| William Hanna | ||
Writing Credits (in alphabetical order)
| Tony Benedict | ... | (story) |
Cast
| Daws Butler | ... | Loopy De Loop (voice) | |
 |
Don Messick | ... | Zookeeper / Gorilla / Storekeeper (voice) |
Produced by
| Joseph Barbera | ... | producer |
| William Hanna | ... | producer |
Music by
| Hoyt Curtin | ||
Editing by
| Greg Watson | ||
Production Management
| Howard Hanson | ... | production supervisor |
Animation Department
| Walt Clinton | ... | layout artist (as Walter Clinton) |
| Dick Lundy | ... | animator |
| Richard H. Thomas | ... | background artist |
Music Department
| Hoyt Curtin | ... | musical director |
| John Seely | ... | music supervisor |
Additional Crew
| Lawrence Goble | ... | titles |
| Alex Lovy | ... | story director |
