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Mel Blanc as Grandpa (voice) |
 |
Frank Elmquist as Herman (voice) |
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Martha Wentworth as Herman's Mother (voice) |
| Writing | David Lang | Writer |
| Sound | Scott Bradley | Music |
| Sound | Baron Keyes | Music |
| Production | Hugh Harman | Producer |
| Production | Fred Quimby | Producer |
| Production | William Hanna | Co-Producer |
| Directing | Hugh Harman | Director |
