James Corden
Peter Rabbit (voice)
Rose Byrne
Beatrix 'Bea' Potter / Jemima Puddle-Duck (voice)
Domhnall Gleeson
Thomas McGregor / Mr. Jeremy Fisher (voice)
Margot Robbie
Flopsy Rabbit / Narrator (voice)
Elizabeth Debicki
Mopsy Rabbit (voice)
Daisy Ridley
Cottontail Rabbit (voice)
Colin Moody
Benjamin Bunny (voice)
Sam Neill
Mr. McGregor / Tommy Brock (voice)
Marianne Jean-Baptiste
Harrods General Manager
Sia
Mrs. Tiggy-Winkle (voice)
Fayssal Bazzi
Mr. Tod (voice)
Ewen Leslie
Pigling Bland (voice)
Christian Gazal
Felix D'eer (voice)
Rachel Ward
Josephine Rabbit (voice)
Bryan Brown
Mr. Rabbit (voice)
David Wenham
Johnny Town-Mouse (voice)
Will Reichelt
JW Rooster II (voice)
Lance Kerfuffle
J. David Scarfington
Vauxhall Jermaine
Harrods Security
Tom Greaves
Harrods Security
Jessica Friedman
Singing Sparrow (voice)
Shana Halligan
Singing Sparrow (voice)
Katharine Hoye
Singing Sparrow (voice)
Chris Mann
Singing Sparrow (voice)
Chad Reisser
Singing Sparrow (voice)
Fletcher Sheridan
Singing Sparrow (voice)
Alexandra Gluck
London Street Rat (voice)
Taryn Gluck
London Street Rat (voice)
Grant Crookes
Passerby (uncredited)
