In Rain of the Children, Ward further explores the subject of his earlier film, In Spring One Plants Alone when, as a young film student he travelled to the Ureweras and documented the lives of an elderly Māori woman (Puhi) and her schizophrenic son (Niki).
| Directing | Vincent Ward | Director |
| Crew | Adam Clark | Cinematography |
| Writing | Vincent Ward | Writer |
| Crew | Alison Carter | Additional Dialogue |
| Crew | Louis Nowra | Additional Dialogue |
| Production | Catherine Fitzgerald | Co-Producer |
| Production | Margaret Slater | Producer |
| Production | Tainui Stephens | Producer |
| Production | Keero Te Awhimate Tait | Co-Producer |
| Production | Vincent Ward | Producer |
| Sound | Jack Body | Music |
| Sound | John Gibson | Music |
| Editing | Chris Plummer | Editor |
| Crew | Leon Narbey | Cinematography |
| Art | Shayne Radford | Production Design |
| Production | Marewa Hillman | Casting |
| Production | Jonny Kennerly | Casting |
| Production | Suzanne McAleer | Casting |
| Production | Doris Rurehe | Casting |
| Costume & Make-Up | Pauline Bowkett | Costume Design |
| Costume & Make-Up | Bob Buck | Costume Design |
| Costume & Make-Up | Gavin McLean | Costume Design |