Margot Robbie Flopsy Rabbit / The Narrator (voice)
Rose Byrne Bea
Sam Neill Tommy Brock (voice)
Elizabeth Debicki Mopsy Rabbit (voice)
Hayley Atwell Mittens (voice)
James Corden Peter Rabbit (voice)
Domhnall Gleeson Mr. Thomas McGregor
Damon Herriman Tom Kitten (voice)
Lennie James Barnabas (voice)
David Wenham Johnny Town-Mouse (voice)
David Oyelowo Nigel Basil-Jones
Dominic Lewis Original Music Composer
Tim Minchin Busker K. Bushy, Esq (voice)
Sia Mrs. Tiggy-Winkle (voice)
Peter Menzies Jr. Director of Photography
Roger Ford Production Designer
Rob Coleman Head of Animation
Neilesh Ambu Passerby (uncredited)
Will Gluck Director, Writer, Producer
Tara Morice Officiant
Christian Gazal Felix D'eer (voice)
Damian Wyvill First Assistant "B" Camera
Brian Lynch Executive Producer
Patrick Burleigh Writer
Jude Hyland Toy Shop Young Boy
Reetu Aggarwal 3D Artist
Charmian Gradwell Dialect Coach
Rupert Degas Samuel Whiskers / Little Pig Robinson (voice)
Sally Eccleston "C" Camera Operator
Lizzy Gardiner Costume Designer
Ronan Binding Animation
Stewart Alves Mr. Tod (voice)
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)