Dolitl

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)