Kirk Jones Director Emma Thompson Nanny McPhee Actor, Writer Colin Firth Mr. Brown Actor Kelly Macdonald Evangeline Actor Derek Jacobi Mr. Wheen Actor Patrick Barlow Mr. Jowls Actor Celia Imrie Mrs. Quickly Actor Imelda Staunton Mrs. Blatherwick Actor Thomas Brodie-Sangster Simon Actor Angela Lansbury Aunt Adelaide Actor Eliza Bennett Eliza Brown Actor Raphaël Coleman Eric Actor Holly Gibbs Christianna Actor Jennifer Rae Daykin Lily Actor Samuel Honywood Sebastian Actor Debra Hayward Executive Producer Liza Chasin Executive Producer Lindsay Doran Producer Tim Bevan Producer Eric Fellner Producer Glynis Murray Co-Producer Patrick Doyle Original Music Henry Braham Cinematographer Justin Krish Film Editing Nick Moore Film Editing Michelle Guish Casting Michael Howells Production Design