| Person | Type | Job | Role(s) |
|---|---|---|---|
 Adam Beck | Crew | Visual Effects | Animation Supervisor |
Bill Speers | Crew | Directing | Co-Director |
Brad Hughes | Crew | Visual Effects | Animation Manager |
 Brian Smith | Crew | Directing | Co-Director |
Christina Butterfield | Crew | Visual Effects | Animation Manager |
Danny Troob | Crew | Sound | Original Music Composer |
 David Lovegren | Crew | Production | Producer |
Elizabeth Anderson | Crew | Writing | Screenplay |
Hong Qi | Crew | Visual Effects | Animation |
Jim Kammerud | Crew | Directing | Director |
Joe Giampapa | Crew | Visual Effects | Animation |
Leslie Hough | Crew | Production | Producer |
Ron Price | Crew | Editing | Editor |
Bill Perkins | Crew | Production | Location Manager |
Temple Mathews | Crew | Writing | Screenplay |
 Blake McIver Ewing | Cast | Actor | Boy #1 (voice) |
 Buddy Hackett | Cast | Actor | Scuttle (voice) |
 Cam Clarke | Cast | Actor | Flounder (voice) |
 Clancy Brown | Cast | Actor | Undertow (voice) |
 Edie McClurg | Cast | Actress | Carlotta (voice) |
Emily Hart | Cast | Actress | Mergirl #1 (voice) |
 Frank Welker | Cast | Actor | Max (voice) |
 Jodi Benson | Cast | Actress | Ariel (voice) |
 Kay E. Kuter | Cast | Actor | Grimsby (voice) |
 Kenneth Mars | Cast | Actor | King Triton (voice) |
 Marcus Toji | Cast | Actor | Merboy #2 (voice) |
 Max Casella | Cast | Actor | Tip (voice) |
 Pat Carroll | Cast | Actress | Morgana (voice) |
 René Auberjonois | Cast | Actor | Chef Louis (voice) |
 Rob Paulsen | Cast | Actor | Prince Eric (voice) |
 Stephen Furst | Cast | Actor | Dash (voice) |
 Tara Strong | Cast | Actress | Melody (voice) |
 Tress MacNeille | Cast | Actress | Mother Penguin/Baby Penguin (voice - uncredited) |
 Samuel E. Wright | Cast | Actor | Sebastian (voice) |
| Person | Type | Job | Role(s) |
