78 mins | Adventure, Family | March 25, 1953
78 mins | Adventure, Family | March 25, 1953
| Producers | Dovzhenko Film Studios |
| Original title | Неразлучные друзья |
| Directors | Vasily Zhuravlyov |
| Writers | Aleksei Speshnyov, Georgiy Grebner |
as Professor Belov
as Gleb's Father
as Old Fisherman
as School Director