 | Emma Thompson als Nanny McPhee |
 | Asa Butterfield als Norman Green |
 | Ralph Fiennes als Lord Gray |
 | Maggie Gyllenhaal als Isabel Green |
 | Maggie Smith als Agatha Rose Doherty |
 | Rhys Ifans als Phil Green |
 | Daniel Mays als Blenkinsop |
 | Bill Bailey als Farmer MacReadie |
 | Ewan McGregor als Rory Green |
 | Rosie Taylor-Ritson als Celia Gray |
 | Eros Vlahos als Cyril Gray |
 | Oscar Steer als Vincent Green |
 | Lil Woods als Megsie Green |
 | Katy Brand als Miss Turvey |
 | Sinead Matthews als Miss Topsey |
 | Sam Kelly als Mr. Docherty |
 | Ed Stoppard als Lieutenant Addis |
 | Toby Sedgwick als Enemy Pilot |
 | Nonso Anozie als Sergeant Jeffreys |
| Lindsay Doran | Producer |
| Christianna Brand | Novel |
| Sim Evan-Jones | Editor |
| Emma Thompson | Executive Producer |
| Debra Hayward | Executive Producer |
| Liza Chasin | Executive Producer |
| Susanna White | Director |
| Emma Thompson | Screenplay |
| Tim Bevan | Producer |
| Jacqueline Durran | Costume Design |
| Eric Fellner | Producer |
| Mike Eley | Director of Photography |
| Jonny Franklin | Electrician |
| James Newton Howard | Original Music Composer |
| Simon Elliott | Production Design |
| Michele Tandy | Finance |
| Russell Pawson | Visual Effects Editor |
| Kirsten Lane | Music Consultant |
| Millie Scalchi | Casting Assistant |
| Pippa Hall | Casting |
| Louis Elman | ADR Voice Casting |
| Abigail Barbier | ADR Voice Casting |
| Nick Wilkinson | Stunts |
| Lee Sheward | Stunt Coordinator |
| Paul Lowe | Stunts |
| Paul Lowe | Stunt Double |
| Paul Heasman | Stunt Coordinator |
| Ray De-Haan | Stunts |
| Ray De-Haan | Stunt Double |
| Tina Maskell | Stunts |
| Annabel Canaven | Stunts |
| Lucy Bevan | Casting |
| Suzanne Austin | Art Direction |
| Nick Dent | Art Direction |
| Gary Jopling | Art Direction |
| Tamsin Dorling | Makeup & Hair |
| Nathaniel De'Lineadeus | Special Effects Makeup Artist |
| Peter Swords King | Hair Designer |
| Chris Lyons | Special Effects Makeup Artist |
| Paula Price | Makeup & Hair |
| Matthew Smith | Prosthetics |
| Sarah Weatherburn | Wigmaker |
| Nik Williams | Special Effects Makeup Artist |
| Niv Adiri | Sound Effects Editor |
| Ben Barker | Sound Effects Editor |
| Mark DeSimone | ADR Mixer |
| Sandy Buchanan | ADR Recordist |
| Mike Dowson | Sound Re-Recording Mixer |
| Glenn Freemantle | Sound Designer |
| Nina Hartstone | Supervising Dialogue Editor |
| Simon Hayes | Production Sound Mixer |
