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