Sam Neill
(Old Mr. McGregor /
Tommy Brock),
Marianne Jean-Baptiste
(General Manager
(as Marianne Jean Baptiste)),
Marianne Jean-Baptiste
(General Manager),
Rose Byrne
(Bea /
Jemima Puddle-Duck
(voice)),
Rose Byrne
(Bea /
Jemima Puddle-Duck),
James Corden
(Peter Rabbit
(voice)),
Christian Gazal
(Felix D'eer
(voice)),
Colin Moody
(Benjamin Bunny
(voice)),
Natalie Dew
(Harrods Worker - Janelle),
Ewen Leslie
(Pigling Bland
(voice)),
Domhnall Gleeson
(Mr. Jeremy Fisher /
Mr. Thomas McGregor),
Sia
(Mrs. Tiggy-Winkle
(voice)),
Fayssal Bazzi
(Mr. Tod
(voice)),
Margot Robbie
(Flopsy /
The Narrator
(voice)),
Elizabeth Debicki
(Mopsy
(voice)),
Daisy Ridley
(Cotton-Tail
(voice)),
Terenia Edwards
(Harrods Worker - Siobhan)