Margot Robbie Flopsy Rabbit / Narrator (voice)
Rose Byrne Beatrix 'Bea' Potter / Jemima Puddle-Duck (voice)
Sam Neill Mr. McGregor / Tommy Brock (voice)
Daisy Ridley Cottontail Rabbit (voice)
Marianne Jean-Baptiste Harrods General Manager
Elizabeth Debicki Mopsy Rabbit (voice)
Rachel Ward Josephine Rabbit (voice)
Domhnall Gleeson Thomas McGregor / Mr. Jeremy Fisher (voice)
David Wenham Johnny Town-Mouse (voice)
Bryan Brown Mr. Rabbit (voice)
James Corden Peter Rabbit (voice)
Sacha Horler Betty
Ben Smith-Petersen Stunt Double
Sia Mrs. Tiggy-Winkle (voice)
Sam Haft Postman
Ming-Zhu Hii Sarabeth
Peter Menzies Jr. Director of Photography
Will Gluck Writer, Director, Producer
Jermaine Liburd Harrods Security
Fayssal Bazzi Mr. Tod (voice)
Felix Williamson Derek
Sara Desmond Unit Production Manager
Fletcher Sheridan Singing Sparrow (voice)
Will Reichelt JW Rooster II (voice)
Dominic Lewis Original Music Composer
Adrien Seffrin First Assistant Camera
Lance Kerfuffle J. David Scarfington
Matt Windon First Assistant "A" Camera
P.J. Voeten First Assistant Director
Barney Shakespeare Third Assistant Director
Chris Upson Visual Effects
Danielle Blake Second Second Assistant Director
Christian Otty Second Assistant Director
Grant Crookes Passerby (uncredited)
Inaki De Ubago Second Assistant Camera
Sally Hague Dialect Coach
Michael Furniss Visual Effects
Charmian Gradwell Dialect Coach
Frank Flick "A" Camera Operator
Lawrence Woodward Stunt Coordinator
David Williams Lead Animator
Rob Lieber Writer
David Elmes First Assistant "A" Camera
Xander Collier Assistant Director
Natalie Dew Janelle
Jack Mayo First Assistant "B" Camera
Naomi Sharp Second Assistant "A" Camera
Rob Coleman Animation Director
David Churchyard First Assistant "B" Camera
Rebecca Crowe First Assistant Camera
Jessica Friedman Singing Sparrow (voice)
Gareth Davies Bannerman
Andrew Jones Second Assistant "B" Camera
Zoe Liang Second Assistant Director
Colin Moody Benjamin Bunny (voice)
Gerard Maher First Assistant "B" Camera
Christine Luby Third Assistant Director
Ian Jackson Second Assistant "A" Camera
Lorena Pagés Second Assistant Camera
Beatrix Potter Novel
Zareh Nalbandian Producer
Ewen Leslie Pigling Bland (voice)
Brian Lynch Associate Producer
Richard Bradshaw "B" Camera Operator
Dave Lawson Chris
Simon Whiteley Production Design
Chris Mann Singing Sparrow (voice)
Alex Blias Phil
Jac Norton Second Assistant "B" Camera
Taryn Gluck London Street Rat (voice)
Christian Gazal Editor, Felix D'eer (voice)
Terenia Edwards Siobhan