At the instigation of the filmmakers, the young men of the Ile-aux-Coudres in the middle of the St-Lawrence River try as a memorial to their ancestors to revive the fishing of the belugas interrupted in 1924.
| Directing | Michel Brault | Director |
| Directing | Pierre Perrault | Director |
| Writing | Michel Brault | Writer |
| Writing | Pierre Perrault | Writer |
| Editing | Werner Nold | Editor |
| Camera | Marcel Carrière | Director of Photography |
| Camera | Michel Brault | Director of Photography |
| Camera | Pierre Perrault | Director of Photography |
| Production | Jacques Bobet | Producer |
| Sound | Jean Cousineau | Music |
| Sound | Jean Meunier | Music |
| Production | Fernand Dansereau | Production Manager |
| Sound | Ron Alexander | Sound |
| Sound | Roger Lamoureux | Sound |
| Sound | Pierre Lemelin | Sound |
| Sound | William E. Schevill | Sound Recordist |
| Camera | Bernard Gosselin | Assistant Camera |
| Sound | Pierre Lemelin | Sound Mixer |
| Sound | Ron Alexander | Sound Mixer |
| Sound | Roger Lamoureux | Sound Mixer |
