 | Donna Akersten als Samantha the Cat / The Sheep (voice) |
 | Stuart Devenie als Sebastian / Dr. Quack / Daisy the Cow / Sandy the Chicken (voice) |
 | Mark Hadlow als Heidi / Robert / Barry the Bulldog (voice) |
 | Brian Sergent als Wynyard the Frog / Trevor the Rat / The Fly (voice) |
 | Ross Jolly als (voice) (uncredited) |
 | Peter Vere-Jones als Bletch / Arfur the Worm (voice) |
 | Mark Wright als Sid the Elephant / The Cockroach / Louie the Fish (voice) |
 | Danny Mulheron als Heidi the Hippo (uncredited) |
| Jay Snowfield als Killer man (uncredited) |
 | Doug Wren als Bletch (voice) (uncredited) |
 | Peter Jackson als Audience Member in the Theater (uncredited) |
| Jamie Selkirk | Editor |
| Fran Walsh | Screenplay |
| Peter Jackson | Producer |
| Peter Jackson | Screenplay |
| Murray Milne | Director of Photography |
| Stephen Sinclair | Screenplay |
| Danny Mulheron | Screenplay |
| Jim Booth | Producer |
| Murray Milne | Cinematography |
| Peter Jackson | Director |
| Peter Dasent | Music |
