Simple story about the man who goes to the beach and uses inflatable objects for all of his needs. Preserved by the Academy Film Archive in 2012.
Unfortunately the movie The Substitute is not yet available on HBO Max.
| Directing | Dušan Vukotić | Director |
| Writing | Rudolf Sremec | Writer |
| Sound | Tomislav Simović | Original Music Composer |
| Visual Effects | Leopold Fabiani | Animation |
| Visual Effects | Zlatko Sačer | Animation |
