Directed by
| Joseph Barbera | ||
| William Hanna | ||
Writing Credits
| Warren Foster | ... | (story) |
Cast (in credits order) complete, awaiting verification
| Daws Butler | ... | Loopy De Loop / Rocket Scientist (voice) | |
| Hal Smith | ... | Drowning Man (voice) | |
| Rest of cast listed alphabetically: | |||
 |
Don Messick | ... | Space Probe Administrator / Scuba Diver (voice) |
Produced by
| Joseph Barbera | ... | producer |
| William Hanna | ... | producer |
Editing by
| Warner E. Leighton | ... | (as Warner Leighton) |
Production Management
| Howard Hanson | ... | production manager |
Animation Department
| Walt Clinton | ... | layout artist (as Walter Clinton) |
| Art Lozzi | ... | background artist |
| Dick Lundy | ... | animator |
Music Department
| Hoyt Curtin | ... | musical director |
Additional Crew
| Lawrence Goble | ... | titles |
| Alex Lovy | ... | story director |
