James Corden

Peter Rabbit (voice)

Rose Byrne

Bea

Domhnall Gleeson

Mr. Thomas McGregor

David Oyelowo

Nigel Basil-Jones

Margot Robbie

Flopsy Rabbit / The Narrator (voice)

Elizabeth Debicki

Mopsy Rabbit (voice)

Colin Moody

Benjamin Bunny (voice)

Lennie James

Barnabas (voice)

Damon Herriman

Tom Kitten (voice)

Hayley Atwell

Mittens (voice)

Rupert Degas

Samuel Whiskers / Little Pig Robinson (voice)

Sia

Mrs. Tiggy-Winkle (voice)

Sam Neill

Tommy Brock (voice)

Ewen Leslie

Pigling Bland (voice)

David Wenham

Johnny Town-Mouse (voice)

Tim Minchin

Busker K. Bushy, Esq (voice)

Stewart Alves

Mr. Tod (voice)

Tara Morice

Officiant

Dave Lawson

Chris

Alex Blias

Phil