Thỏ Peter

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)

Domhnall Gleeson

Thomas McGregor / Mr. Jeremy Fisher (voice)

Rachel Ward

Josephine Rabbit (voice)

James Corden

Peter Rabbit (voice)

Elizabeth Debicki

Mopsy Rabbit (voice)

Marianne Jean-Baptiste

Harrods General Manager

Bryan Brown

Mr. Rabbit (voice)

David Wenham

Johnny Town-Mouse (voice)

Sia

Mrs. Tiggy-Winkle (voice)

Ewen Leslie

Pigling Bland (voice)

Karl Farrer

Train Commuter (uncredited)

Fayssal Bazzi

Mr. Tod (voice)

Felix Williamson

Derek

Ming-Zhu Hii

Sarabeth

Lance Kerfuffle

J. David Scarfington

Sacha Horler

Betty

Grant Crookes

Passerby (uncredited)