Margot Robbie Flopsy Rabbit / The Narrator (voice)
Rose Byrne Bea
Sam Neill Tommy Brock (voice)
Hayley Atwell Mittens (voice)
Elizabeth Debicki Mopsy Rabbit (voice)
Domhnall Gleeson Mr. Thomas McGregor
David Wenham Johnny Town-Mouse (voice)
Lennie James Barnabas (voice)
James Corden Peter Rabbit (voice)
David Oyelowo Nigel Basil-Jones
Damon Herriman Tom Kitten (voice)
Sia Mrs. Tiggy-Winkle (voice)
Tim Minchin Busker K. Bushy, Esq (voice)
Brian Lynch Executive Producer
Peter Menzies Jr. Director of Photography
Will Gluck Director, Writer, Producer
Rupert Degas Samuel Whiskers / Little Pig Robinson (voice)
Ronan Binding Animation
Reetu Aggarwal 3D Artist
Will Reichelt JW Rooster II (voice)
Tara Morice Officiant
Dominic Lewis Original Music Composer
Stewart Alves Mr. Tod (voice)
Damian Wyvill First Assistant "B" Camera
Jude Hyland Toy Shop Young Boy
Lizzy Gardiner Costume Designer
Roger Ford Production Designer
Charmian Gradwell Dialect Coach
Neilesh Ambu Passerby (uncredited)
Rob Coleman Head of Animation
Sally Eccleston "C" Camera Operator
Patrick Burleigh Writer
Colin Moody Benjamin Bunny (voice)
Aimee Horne Cottontail Rabbit (voice)
Beatrix Potter Novel
Zareh Nalbandian Producer
Ewen Leslie Pigling Bland (voice)
Dave Lawson Chris
Simon Whiteley Production Design
Alex Blias Phil
Aaron Healey Swing
Christian Gazal Felix D'eer (voice)
Anna Gregory Swing
Jason Lust Executive Producer
Oliver Hay Swing
Neil Hayes Toy Shop Father
Emma Topping Executive Producer
Faizan Munawar Varya Ray Rabbit (voice)