 | Honor Kneafsey als Robyn Goodfellowe (voice) |
 | Eva Whittaker als Mebh Óg MacTíre (voice) |
 | Sean Bean als Robyn's Father, Bill Goodfellowe (voice) |
 | Simon McBurney als Lord Protector (voice) |
 | Tommy Tiernan als Sean Óg (voice) |
 | Maria Doyle Kennedy als Mebh's Mother, Moll MacTíre (voice) |
 | Jon Kenny als Stringy Woodcutter, Ned (voice) |
 | John Morton als Stumpy Woodcutter (voice) |
 | Nora Twomey als Head Housekeeper, Bridget (voice) |
 | Oliver McGrath als Street Children Ringleader, Padraig (voice) |
 | Paul Young als Sheep Farmer (voice) |
| Niamh Moyles als Fishmonger (voice) |
 | Ben Andrews als Soldier (voice) |
 | Jerome Burelbach als Soldier (voice) |
| Vince Drews als Soldier (voice) |
| Seamus Greene als Soldier / Additional Voices (voice) |
| Gilbert Johnston als Soldier (voice) |
| Luke Mandie als Soldier (voice) |
 | Ian Sanderson als Soldier (voice) |
| Jack Caldwell als Street Child (voice) |
| Eoin Cleary als Street Child (voice) |
| Marguerita Hanlon als Street Child (voice) |
| Jacob Holden als Street Child (voice) |
| Clare Keating als Street Child (voice) |
| Orla Keating als Street Child (voice) |
| Caolán Lulias als Street Child (voice) |
| Patrick McGrath als Street Child (voice) |
| Daisy Moran als Street Child (voice) |
| Dylan Muldowney als Street Child (voice) |
| Mark O'Connell als Street Child (voice) |
| Róisín O'Shea als Street Child (voice) |
| Philip Brennan als Additional Voices (voice) |
| Jim Carroll als Additional Voices (voice) |
| Richie Cody als Additional Voices (voice) |
| Brendan Corcoran als Additional Voices (voice) |
| Michael Culleton als Additional Voices (voice) |
| Sarah Doyle als Additional Voices (voice) |
| Amy Dunne als Additional Voices (voice) |
| Gilly Fogg als Additional Voices (voice) |
| Jennifer Hughes als Additional Voices (voice) |
| Michael McGrath als Additional Voices (voice) |
| Ken McGuire als Additional Voices (voice) |
| Desirée Meade als Additional Voices (voice) |
| Graham Mills als Additional Voices (voice) |
 | Aoibhin Murphy als Additional Voices (voice) |
| Mags Murphy als Additional Voices (voice) |
| Aaron O'Dea als Additional Voices (voice) |
| Cara O'Doherty als Additional Voices (voice) |
| Aoife O’Neill als Additional Voices (voice) |
| Jacqueline Purcell als Additional Voices (voice) |
| Muireann Ryan als Additional Voices (voice) |
| Alan Slattery als Additional Voices (voice) |
| David Thompson als Additional Voices (voice) |
| Eleanor Walsh als Additional Voices (voice) |
| Tomm Moore | Director |
| Ross Stewart | Director |
| Paul Young | Producer |
| Nora Twomey | Producer |
| Tomm Moore | Producer |
| Stéphan Roelants | Producer |
| Bruno Coulais | Original Music Composer |
| Tomm Moore | Story |
| Will Collins | Screenplay |
| Ross Stewart | Story |
| Louise Kiely | Casting |
| Tomm Moore | Art Direction |
| Maria Pareja | Art Direction |
| Ross Stewart | Art Direction |
| Martin Quaden | Production Manager |
| Mark Mullery | Assistant Director |
| Louise Bagnall | Storyboard Artist |
| Gerry Shirren | Executive Producer |
| Fabien Renelli | Executive Producer |
| Yang Ying | Executive Producer |
| Didier Brunner | Executive Producer |
| Damien Brunner | Executive Producer |
| Eric Beckman | Executive Producer |
| David Jesteadt | Executive Producer |
| Katja Schumann | Line Producer |
| Giovanna Ferrari | Storyboard Artist |
| Sandra Norup Andersen | Character Designer |
| Mathilde Vachet | Animation |
| Guillaume Bissières | Animation |
| Diane Coat | Animation |
| Emmanuel Asquier-Brassart | Animation |
| Danas Bereznickas | Key Animation |
| Svend Andreas Rothmann Bonde | Animation Supervisor |
| Fabian Erlinghäuser | Animation |
| Tomislav Findrik | Key Animation |
| Tomislav Findrik | Animation |
| Reg Isaac | Animation |
| Lucie Julliat | Animation |
| Kim Kelly | Animation |
| Laurent Kircher | Animation |
| Basil Malek | Animation |
| Donal Mangan | Animation |
| Uriel Mimran | Key Animation |
| Stéphanie Pavoine | Animation |
| Benoit Pirenne | Compositing Lead |
| Kim Kelly | Compositing Artist |
| Frédéric Plumey | Digital Compositor |
| Nicole Storck | Visual Effects |
| Vir Prieto | Animation |
| Roberto Rosi | Animation |
| Alessandra Sorrentino | Senior Animator |
| Marina Tisljar | Animation |
| Damien Welsch | Compositing Supervisor |
| Beth Witchalls | Animation |
| Eva-Jane Gaffney | Casting |
| Fionnuala O'Shea | Casting Assistant |
| Owen Peters | Assistant Editor |
| Emmanuel Delétang | Music Producer |
| Maxime Lefevre | Mixing Engineer |
| Deyan Pavlov | Conductor |
| Paula Poveda-Urrutia | Thanks |
| Celine Haddad | Executive Producer |
| Zhang Shuo | Executive Producer |
| Thibaut Ruby | Line Producer |
| Darragh Byrne | Editor |
| Richie Cody | Editor |
| Darren T. Holmes | Editor |
| Lily Bernard | Concept Artist |
| Aaron Blaise | Concept Artist |
| Elliot Cowan | Concept Artist |
| Alice Dieudonné | Concept Artist |
| Ciarán Duffy | Concept Artist |
| Arina Korczynski | Storyboard Artist |
| Arina Korczynski | Concept Artist |
| Guillaume Lorin | Storyboard Artist |
| Iker Maidagan | Storyboard Artist |
| Almu Redondo | Background Designer |
| Friedrich Schaper | Concept Artist |
| Félix Davin | Sound Editor |
| Fabien Devillers | Sound Re-Recording Mixer |
| Anne-Lyse Haddak | Dialogue Editor |
| Sébastien Marquilly | Supervising Sound Editor |
| Leena Lecklin | Visual Effects |
| Almu Redondo | Visual Development |
| Geoff King | Lead Animator |
| Anita Gaughan | Animation |
| Walter Giampaglia | Animation |
| Adrien Calle | Animation |
| James Baxter | Animation |
| Tomm Moore | Animation |
| Sandra Norup Andersen | Animation |
| Andrzej Radka | Animation |
| Alessandra Sorrentino | Animation |
| Léo Weiss | Layout Supervisor |
| Guillaume Bissières | Key Animation |
| Gilles Rudziak | Key Animation |
| Denis Figueiredo | Key Animation |
| Allan Michaut | Key Animation |
| Pénélope Camus | Key Animation |
| Régine Waleffe | Key Animation |
| Tom Findrik | Key Animation |
| Janos Szabo | Key Animation |
| Reg Isaac | Key Animation |
| Jamie Merry | Key Animation |
| Marianne Le Moigne | Key Animation |
| Tomm Moore | Character Designer |
| Federico Pirovano | Character Designer |
| Maria Madelaire Forná | Character Designer |
| Andrzej Radka | Character Designer |
| David McDermott | Animation |
| Eimhin McNamara | Animation |
| Daniel Pinheiro Lima | Animation |
| Tatiana Mazzei | Animation |
| Jean-Baptiste Vendamme | Animation |
| Christine Seznec | Sound Supervisor |
| Tomm Moore | Production Design |
| Ross Stewart | Production Design |
| Maria Pareja | Production Design |
| Alan Slattery | Additional Editing |
| Kairen Waloch | Additional Casting |
| Nicole Storck | Production Coordinator |
| Steven McClurg | Production Coordinator |
| Anna FitzSimons | Production Coordinator |
| Charly Katrin Mårtensson | Production Assistant |
| Joanna Mularz | Production Accountant |
| Michael Culleton | Assistant Accountant |
| Colette Macauley | Assistant Accountant |
| Ciara Davis | Assistant Accountant |
| Agnieszka Heinicke | Assistant Accountant |
| Fabien Renelli | Production Manager |
| Aurélien Antezac | Production Coordinator |
| Nicolas Debray | Animation Supervisor |
| Judith Enault | Production Manager |
| Estelle Leguérinel | Production Coordinator |
| Bruno Coulais | Orchestrator |
| Léo Vincent | Music Editor |
| Florian Fabre | Foley Artist |
| Félix Davin | Dialogue Editor |
| Baptiste Boucher | Sound Editor |
| Axel Steichen | Sound Editor |
| Alexandre Fleurant | Sound Editor |
