Pemeran & Kru
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Robert DowneyDr. John Dolittle - Antonio BanderasKing Rassouli
- Michael SheenDr. Blair Müdfly
- Jim BroadbentLord Thomas Badgley
- Jessie BuckleyQueen Victoria
- Harry CollettTommy Stubbins
- Kasia SmutniakLily Dolittle
- Carmel LaniadoLady Rose
- Ralph InesonArnall Stubbins
- Joanna PageBethan Stubbins
- Emma ThompsonPoly
- Rami MalekChee-Chee
- John CenaYoshi
- Kumail NanjianiPlimpton
- Octavia SpencerDab-Dab
- Tom HollandJip
- Craig RobinsonKevin
- Ralph FiennesBarry
- Selena GomezBetsy
- Marion CotillardTutu
- Frances de la TourDragon
- Jason MantzoukasJames the Dragonfly
- Stephen GaghanSutradara
- Robert DowneyProduser
- Sarah BradshawProduser
- Zachary RothProduser
- Joe RothProduser
- Jeff KirschenbaumProduser
- Susan DowneyProduser
- Jonathan LiebesmanProduser
- Stephen GaghanPenulis
- Dan GregorPenulis
- Doug MandPenulis