Dolittle

Robert Downey Jr.

(Dr. John Dolittle)

Harry Collett

(Tommy Stubbins)

Michael Sheen

(Dr. Blair Müdfly)

Jim Broadbent

(Lord Thomas Badgley)

Antonio Banderas

(King Rassouli)

Rami Malek

(Chee-Chee (voice))

Jessie Buckley

(Queen Victoria)

Emma Thompson

(Poly (voice))

John Cena

(Yoshi (voice))

Kumail Nanjiani

(Plimpton (voice))

Craig Robinson

(Kevin (voice))

Ralph Fiennes

(Barry (voice))

Tom Holland

(Jip (voice))

Octavia Spencer

(Dab-Dab (voice))

Selena Gomez

(Betsy (voice))

Marion Cotillard

(Tutu (voice))

Kasia Smutniak

(Lily Dolittle)

Carmel Laniado

(Lady Rose)

Frances de la Tour

(Dragon (voice))

Jason Mantzoukas

(James the Dragonfly (voice))

Ralph Ineson

(Arnall Stubbins)

Joanna Page

(Bethan Stubbins)

Sonny Ashbourne Serkis

(Arnall Stubbins Jr.)

Oliver Chris

(Sir Gareth)

Clive Francis

(Archbishop)

Paul Holowaty

(Navy Man)

Elliot Barnes-Worrell

(Captain William Derrick)

Mark Umbers

(Lieutenant)

David Sheinkopf

(Don Carpenterino)

Sid Sagar

(Jeff the Prisoner)

Tim Treloar

(Humphrey the Whale (voice))

Nick Fisher

(Mini the Sugar Glider (voice))

Matt King

(Clyde)

Ranjani Brow

(Mouse (voice))

Kelly Stables

(Mouse (voice))

Scott Menville

(Army Ant (voice))

Gia Davis

(Baby Animal (voice))

Kyrie McAlpin

(Baby Animal (voice))

Isley Zamora

(Baby Animal (voice))

Stewart Scudamore

(Pirate)

Samson Kayo

(Pirate)

John-Luke Roberts

(Pirate / Animal Performer)

Joseph Balderrama

(Prisoner)

Daniel Hoffmann-Gill

(Prisoner)

Jane Leaney

(Animal Performer)

Josh Jefferies

(On Set Chee-Chee / Animal Performer)

Shaun McKee

(On Set Yoshi / Animal Performer)

Richard Soames

(Animal Performer)

Will Arnett

(Rabbit (voice) (uncredited))