 | Jodi Benson als Ariel (voice) |
 | Samuel E. Wright als Sebastian (voice) |
 | Jim Cummings als King Triton / Shelbow / Additional Voices (voice) |
 | Sally Field als Marina Del Ray (voice) |
 | Tara Strong als Adella / Andrina / Additional Voices (voice) |
 | Jennifer Hale als Alana (voice) |
 | Grey DeLisle als Aquata / Arista (voice) |
 | Kari Wahlgren als Attina (voice) |
 | Parker Goris als Flounder (voice) |
 | Jeff Bennett als Benjamin / Additional Voices (voice) |
 | Kevin Michael Richardson als Cheeks / Ray Ray (voice) |
 | Rob Paulsen als Ink Spot / Swifty / Additional Voices (voice) |
 | Lorelei Hill Butters als Queen Athena (voice) |
| Peggy Holmes | Director |
| Robert Reece | Author |
| Evan Spiliotopoulos | Author |
| Dan Lund | Visual Effects Design Consultant |
| Mary Ellen Bauder | Associate Producer |
| Scott T. Petersen | Animation |
| David 'Joey' Mildenberger | Visual Effects |
| Peter J. Deluca | Art Department Manager |
| Noe Garcia | Visual Effects |
| Steve Bencich | Additional Writing |
| Peggy Holmes | Additional Writing |
| Tom Rogers | Additional Writing |
| Thania St. John | Additional Writing |
| Rich Burns | Additional Writing |
| Ron J. Friedman | Additional Writing |
| Ron Clements | Original Film Writer |
| John Musker | Original Film Writer |
| Jim Dooley | Music |
| Tony Pulham | Art Direction |
| Bill Bloom | Production Manager |
| Brian J. Carey | Production Supervisor |
| Kip B. Lewis | Production Supervisor |
| James Ashwill | Foley Mixer |
| John T. Cucci | Foley Artist |
| Richard L. McCullough | Additional Editor |
