 | Theo James als Vesemir (voice) |
 | Mary McDonnell als Lady Zerbst (voice) |
 | Lara Pulver als Tetra Gilcrest (voice) |
 | Graham McTavish als Deglan (voice) |
 | Tom Canton als Filavandrel (voice) |
 | David Errigo Jr. als Young Vesemir / Young Remus (voice) |
 | Jennifer Hale als Illyana / Noblewoman (voice) |
 | Kari Wahlgren als Kitsu / Boy (voice) |
 | Matthew Yang King als Luka / Skogar (voice) |
 | Darryl Kurylo als Sven / Nobleman (voice) |
 | Keith Ferguson als Lord Carlisle / Reidrich (voice) |
 | Jennie Kwan als Young Luka (voice) |
 | A.J. LoCascio als Young Sven (voice) |
 | Michaela Dietz als Tomas (voice) |
 | Harry Hissrich als Young Boy (Geralt) (voice) |
 | Adam Croasdell als King Dagread / Nobleman (voice) |
 | Nolan North als Handsome Knight / Vendor / Bevin (voice) |
| Samia Mounts als Midwife / Priestess (voice) |
 | Luke Youngblood als Sugo (voice) |
 | Ry Chase als Sisters (voice) |
 | Steve Blum als Leshy (voice) |
 | Dee Bradley Baker als Creatures (voice) |
 | Sara Cravens als Additional Voices (voice) |
 | JP Karliak als Additional Voices (voice) |
 | Andrew Morgado als Additional Voices (voice) |
 | Fred Tatasciore als Additional Voices (voice) |
 | Courtenay Taylor als Additional Voices (voice) |
 | Abby Trott als Additional Voices (voice) |
| Han Kwang-il | Director |
| Lauren Schmidt Hissrich | Producer |
| PEBBLE | Key Animation |
| PEBBLE | Storyboard Artist |
| Daniel Baron | Layout |
| nasiijau | Layout |
| Kilo | Layout |
| Yen BM | Layout |
| LAN | Layout |
| Franziska van Wulfen | Key Animation |
| riooo | Key Animation |
| LAN | Key Animation |
| Chai | Key Animation |
| Daniel Baron | Key Animation |
| Yen BM | Key Animation |
| Ines Scheiber | Key Animation |
| Ryan White | Key Animation |
| mikinori | Key Animation |
| Trajuan Gerald | Key Animation |
| Vincent Chansard | Storyboard Artist |
| Mike Koizumi | Storyboard Artist |
| Chris Copeland | Storyboard Artist |
| Eman Andu | Key Animation |
| Shawn Horton | Key Animation |
| Melanie Rebong Lopez | Key Animation |
| Sandy Joosun Lee | Translator |
| Brian D'Oliveira | Original Music Composer |
| Tomek Bagiński | Executive Producer |
| Jason F. Brown | Executive Producer |
| Sean Daniel | Executive Producer |
| Jarosław Sawko | Executive Producer |
| Beau DeMayo | Co-Producer |
| Beau DeMayo | Screenplay |
| Andrzej Sapkowski | Book |
| Han Kwang-il | Co-Executive Producer |
| Kim Erin Eunsung | Line Producer |
| Choi Go-un | Line Producer |
| Lee Seung-wook | Associate Producer |
| Meredith Layne | Casting |
| James Yang | Storyboard Artist |
| Kim Sung Hoon | Storyboard Artist |
| Kang Hei Chul | Storyboard Artist |
| Kim Joong Cheol | Character Designer |
| Kin Jun Hee | Editor |
| Beau DeMayo | Songs |
| Brian D'Oliveira | Songs |
| Luke Youngblood | Songs |
| Andrew Laws | Creature Design |
| Liu Yuyuan | Key Animation |
| Park Dae-yeol | Key Animation |
| Kim Seong-jun | Key Animation |
| Malcolm Wope | Key Animation |
| Huang Teng I-shan | Key Animation |
| Kim Seong-min | Art Direction |
| Lim Kyung-hwa | Art Direction |
| Kim Suk-won | Sound Supervisor |
| Vincent Imaoka | Production Manager |
