James Corden

Peter Rabbit (voice)

Rose Byrne

Bea

Domhnall Gleeson

Mr. Thomas McGregor

Margot Robbie

Flopsy Rabbit / The Narrator (voice)

Elizabeth Debicki

Mopsy Rabbit (voice)

Colin Moody

Benjamin Bunny (voice)

Sam Neill

Tommy Brock (voice)

Sia

Mrs. Tiggy-Winkle (voice)

Ewen Leslie

Pigling Bland (voice)

Christian Gazal

Felix D'eer (voice)

David Wenham

Johnny Town-Mouse (voice)

Will Reichelt

JW Rooster II (voice)

Will Gluck

Writer

David Oyelowo

Nigel Basil-Jones

Aimee Horne

Cottontail Rabbit (voice)

Lennie James

Barnabas (voice)

Damon Herriman

Tom Kitten (voice)

Hayley Atwell

Mittens (voice)

Rupert Degas

Samuel Whiskers / Little Pig Robinson (voice)

Tim Minchin

Busker K. Bushy, Esq (voice)

Stewart Alves

Mr. Tod (voice)

Faizan Munawar Varya

Ray Rabbit (voice)

Tara Morice

Officiant

Dave Lawson

Chris

Alex Blias

Phil

Patrick Burleigh

Writer

Emma Topping

Executive Producer

Jason Lust

Executive Producer

Brian Lynch

Executive Producer