Dr. John Dolittle
Tommy Stubbins
Dr. Blair Müdfly
Lord Thomas Badgley
King Rassouli
Chee-Chee (voice)
Queen Victoria
Poly (voice)
Yoshi (voice)
Plimpton (voice)
Kevin (voice)
Barry (voice)
Jip (voice)
Dab-Dab (voice)
Betsy (voice)
Tutu (voice)
Lily Dolittle
Lady Rose
Dragon (voice)
James the Dragonfly (voice)
Arnall Stubbins
Bethan Stubbins
Arnall Stubbins Jr.
Sir Gareth
Archbishop
Navy Man
Captain William Derrick
Lieutenant
Don Carpenterino
Jeff the Prisoner
Postman
Humphrey the Whale (voice)
Beard Mouse and Leona (voice)
Mini the Sugar Glider (voice)
Clyde
Mouse (voice)
Mouse (voice)
Army Ant (voice)
Baby Animal (voice)
Baby Animal (voice)
Baby Animal (voice)
Baby Animal (voice)
Pirate
Pirate
Pirate / Animal Performer
Prisoner
Prisoner
Animal Performer
On Set Chee-Chee / Animal Performer
On Set Yoshi / Animal Performer
Animal Performer
Rabbit (voice) (uncredited)