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
Will Reichelt JW Rooster II (voice)
Dominic Lewis Original Music Composer
Fletcher Sheridan Singing Sparrow (voice)
Adrien Seffrin First Assistant Camera
Grant Crookes Passerby (uncredited)
Lance Kerfuffle J. David Scarfington
P.J. Voeten First Assistant Director
Barney Shakespeare Third Assistant Director
Chris Upson Visual Effects
Matt Windon First Assistant "A" Camera
Danielle Blake Second Second Assistant Director
Inaki De Ubago Second Assistant Camera
Rob Coleman Animation Director
Sally Hague Dialect Coach
Michael Furniss Visual Effects
Charmian Gradwell Dialect Coach
Frank Flick "A" Camera Operator
Lawrence Woodward Stunt Coordinator
Rob Lieber Writer
Rebecca Crowe First Assistant Camera
David Elmes First Assistant "A" Camera
Xander Collier Assistant Director
Gerard Maher First Assistant "B" Camera
Natalie Dew Janelle
Zoe Liang Second Assistant Director
Jack Mayo First Assistant "B" Camera
Naomi Sharp Second Assistant "A" Camera
David Williams Lead Animator
David Churchyard First Assistant "B" Camera
Jessica Friedman Singing Sparrow (voice)
Colin Moody Benjamin Bunny (voice)
Gareth Davies Bannerman
Christine Luby Third Assistant Director
Ian Jackson Second Assistant "A" Camera
Christian Otty Second Assistant Director
Lorena Pagés Second Assistant Camera
Beatrix Potter Novel
Zareh Nalbandian Producer
Ewen Leslie Pigling Bland (voice)
Richard Bradshaw "B" Camera Operator
Dave Lawson Chris
Andrew Jones Second Assistant "B" Camera
Brian Lynch Associate Producer
Simon Whiteley Production Design
Taryn Gluck London Street Rat (voice)
Christian Gazal Editor, Felix D'eer (voice)
Chris Mann Singing Sparrow (voice)
Alex Blias Phil
Jac Norton Second Assistant "B" Camera
Simon Dunn Second Assistant "A" Camera