 | Daws Butler als Loopy De Loop / Rocket Scientist (voice) |
 | Hal Smith als Drowning Man (voice) |
 | Don Messick als Space Probe Administrator / Scuba Diver (voice) |
| Joseph Barbera | Director |
| Warren Foster | Story |
| William Hanna | Director |
| Joseph Barbera | Producer |
| William Hanna | Producer |
