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