Animation | Nov. 30, 1956
Animation | Nov. 30, 1956
| Producers | Loutkovy Film Praha |
| Original title | Spejbl na stopě |
| Directors | Břetislav Pojar |
| Writers | Břetislav Pojar, Vratislav Blažek |
as Spejbl (voice) / Hurvínek (voice)
as Singing (voice)
as Singing (voice)