Ben en Saoirse zijn de laatste kinderen van de 'Selkies': vrouwen - bekend van Ierse en Schotse legendes - die kunnen transformeren van zeehonden in mensen. Nadat hun moeder verdwenen is worden Ben en Saoirse naar hun oma in de stad gestuurd.
Nee, helaas is Het Lied van de Zee nog niet beschikbaar op Netflix in Nederland.
| Directing | Tomm Moore | Director |
| Writing | Will Collins | Writer |
| Writing | Tomm Moore | Story |
| Sound | Bruno Coulais | Original Music Composer |
| Editing | Darragh Byrne | Editor |
| Production | Claus Toksvig Kjaer | Production Manager |
| Production | Katja Schumann | Production Manager |
| Production | Tomm Moore | Producer |
| Editing | Darren T. Holmes | Editorial Coordinator |
| Directing | Nora Twomey | Other |
| Visual Effects | Eric Dupont | Visual Effects Supervisor |
| Visual Effects | Pascal Nowak | Color Designer |
| Visual Effects | Marc Umé | Visual Effects Supervisor |
| Crew | Marc Umé | Software Engineer |
| Production | Joshua Jason | Publicist |
| Sound | Garret Farrell | Recording Supervision |
| Visual Effects | Slaven Reese | Animation |
| Production | Clément Calvet | Co-Producer |
| Art | Ross Stewart | Art Department Coordinator |
| Production | Paul Young | Producer |
| Crew | Tod Polson | Thanks |
| Art | Maya Merigeau | Production Design |
| Art | Maya Merigeau | Art Direction |
| Art | Sidonie Vidal | Background Designer |
| Art | Alessandra Sorrentino | Storyboard Designer |
| Visual Effects | Santiago López Jover | Animation |
| Crew | Kila | Additional Music |
| Sound | Patrice Renson | Conductor |
| Crew | Susana Grilo | Production Intern |
| Crew | Michel Hick | Software Engineer |
| Directing | Fabian Erlinghäuser | First Assistant Director |
| Directing | Stuart Shankly | First Assistant Director |
| Production | Samuel Feller | Associate Producer |
| Production | Jérémie Fajner | Co-Producer |
| Production | Stéphan Roelants | Co-Producer |
| Production | Isabelle Truc | Co-Producer |
| Production | Serge Umé | Co-Producer |
| Production | Thibaut Ruby | Line Producer |
| Production | Ross Murray | Producer |
| Production | Frederik Villumsen | Producer |
| Production | Atshong Chen | Production Accountant |
| Sound | Nostradine Benguezzou | Sound Re-Recording Mixer |
| Sound | Marie Doyeux | Sound Re-Recording Mixer |
| Sound | Alexandre Jaclain | Sound Designer |
| Visual Effects | Virgile Bage | Animation |
| Visual Effects | Danas Berznitsky | Animation |
| Visual Effects | Svend Andreas Rothmann Bonde | Animation |
| Visual Effects | Alfredo Cassano | Animation |
| Visual Effects | Giovanna Ferrari | Animation |
| Visual Effects | Denis Figueiredo | Animation |
| Visual Effects | Tomislav Findrik | Animation |
| Visual Effects | Walter Giampaglia | Animation |
| Visual Effects | Geoff King | Animation |
| Visual Effects | Ole Christian Løken | Animation |
| Visual Effects | Marion Roussel | Animation |
| Visual Effects | Alessandra Sorrentino | Animation |
| Visual Effects | Stine Sæthre | Animation |
| Visual Effects | Louise Bergholt Sørensen | Animation |
| Visual Effects | Mathilde Vachet | Animation |
| Visual Effects | Fabian Erlinghäuser | Animation Director |
| Visual Effects | Frederik Villumsen | Animation Director |
| Visual Effects | Sandra Norup Andersen | Character Designer |
| Visual Effects | Rosa Ballester Cabo | Character Designer |
| Visual Effects | Marie Thorhauge | Character Designer |
| Visual Effects | François Crèvecoeur | VFX Artist |
| Visual Effects | Jeremy Purcell | Visual Effects Supervisor |
| Sound | Félix Davin | Sound Designer |
