 | Hugh Jackman als Roddy (voice) |
 | Kate Winslet als Rita (voice) |
 | Ian McKellen als The Toad (voice) |
 | Jean Reno als Le Frog (voice) |
 | Bill Nighy als Whitey (voice) |
 | Andy Serkis als Spike (voice) |
 | Shane Richie als Sid (voice) |
 | Kathy Burke als Rita's Mum (voice) |
 | David Suchet als Rita's Dad (voice) |
 | Miriam Margolyes als Rita's Grandma (voice) |
 | Rachel Rawlinson als Tabitha (voice) |
 | Susan Duerden als Mother (voice) |
 | Miles Richardson als Father (voice) |
 | John Motson als Football Commentator (voice) |
 | Douglas Weston als Newspaper Seller (voice) |
| Roger Blake als Policeman / Balloon Seller (voice) |
 | Christopher Fairbank als Thimblenose Ted / Cockroach / Passerby (voice) |
| Paul Shardlow als Pegleg (voice) |
 | Conrad Vernon als Take Out (voice) |
 | Jonathan Kydd als Barnacle (voice) |
 | Newell Alexander als Tex (voice) |
| Susan Fitzer als Edna (voice) |
| Joshua Silk als Fergus (voice) |
| Meredith Wells als Rita's Little Sister (voice) |
| Ashleigh-Louis Elliot als Rita's Sister #2 (voice) |
| Ashleigh Ludwig als Rita's Sister #3 (voice) |
 | Christopher Knights als Fat Barry / Market Trader (voice) |
 | Emma Tate als Fly-Lady / Passerby #2 (voice) |
 | Tom McGrath als Action Figure / Artist (voice) |
 | Sam Fell als Liam / Prophet / Ladykiller / Fanseller (voice) |
 | David Bowers als Goldfish / Fly / Shocky / Henchfrog #1 / Tadpole (voice) |
| David Bowers | Director |
| Sam Fell | Director |
| Dick Clement | Screenplay |
| Ian La Frenais | Screenplay |
| Joe Keenan | Screenplay |
| William Davies | Screenplay |
| Cecil Kramer | Producer |
| Peter Lord | Producer |
| David Sproxton | Producer |
| Harry Gregson-Williams | Original Music Composer |
| Brad Blackbourn | Director of Photography |
| Frank Passingham | Director of Photography |
| Erika Dapkewicz | Editor |
| John Venzon | Editor |
| Sam Fell | Story |
| Peter Lord | Story |
| Dick Clement | Story |
| Ian La Frenais | Story |
| Robert Nelson Jacobs | Additional Writing |
| Sam Fell | Additional Writing |
| Simon Nye | Additional Writing |
| Paul Fisher | Additional Writing |
| Maryann Garger | Producer |
| Leslee Feldman | Casting |
| David James | Production Design |
| David Bowers | Additional Writing |
| Christopher Lloyd | Screenplay |
| Mick De Falco | Editorial Manager |
| Steve Cunningham | Animation |
| Simon Otto | Supervising Animator |
| Fabrice Joubert | Supervising Animator |
| Tim Sullivan | Additional Writing |
| Luke Smith | Still Photographer |
| Wayne Hellinger | Post Production Coordinator |
| Gabe Hordos | Animation |
| Jeff Newitt | Head of Animation |
| Ian Whitlock | Animation |
| Wendy Rogers | Visual Effects Supervisor |
| David G. Derrick Jr. | Other |
