Rex Harrison
Dr. John Dolittle
Samantha Eggar
Emma Fairfax
Anthony Newley
Matthew Mugg
Richard Attenborough
Albert Blossom
Peter Bull
General Bellowes
Muriel Landers
Mrs. Blossom
William Dix
Tommy Stubbins
Geoffrey Holder
William Shakespeare X
Portia Nelson
Sarah Dolittle
Norma Varden
Lady Fetherington
Frank Baker
Trial Spectator (uncredited)
Edward Cast
Prison Guard (uncredited)
Phyllis Coghlan
Courtroom Spectator (uncredited)
Robert Cole
Roustabout (uncredited)
Cyril Cross
Charlie (uncredited)
Peter Crowcroft
Assistant Judge (uncredited)
John Dolan
Fisherman (uncredited)
Jesslyn Fax
Old Woman (uncredited)
Arthur Gould-Porter
Sir Rupert (uncredited)
Eric Heath
Courtroom Spectator (uncredited)
Lars Hensen
Minor Role (uncredited)
Kendrick Huxham
Elderly Man (uncredited)
Theron Jackson
Boy (uncredited)
Queenie Leonard
Courtroom Spectator (uncredited)
Frank Radcliffe
Strong Man (uncredited)
Jack Raine
Vicar (uncredited)
Danny Rees
Juggler (uncredited)
Angelo Rossitto
Dwarf (uncredited)
Rufus
Dog (uncredited)
Ted Stanhope
Assistant Judge (uncredited)
Geoffrey Steele
Courtroom Spectator (uncredited)
Gilchrist Stuart
The Vicar (uncredited)
Ginny Tyler
Polynesia (voice) (uncredited)
Bob Winters
Juggler (uncredited)
Judy Chapman
Dancer (uncredited)
Richard Fleischer
Director
Leslie Bricusse
Screenplay
Hugh Lofting
Novel
Arthur P. Jacobs
Producer
Mort Abrahams
Associate Producer
Leslie Bricusse
Original Music Composer
Robert Surtees
Director of Photography
Samuel E. Beetley
Editor
Marjorie Fowler
Editor
Mario Chiari
Production Design
Ed Graves
Art Direction
Jack Martin Smith
Art Direction
Stuart A. Reiss
Set Decoration
Walter M. Scott
Set Decoration
Ray Aghayan
Costume Design
William Eckhardt
Unit Production Manager
Jack Stubbs
Unit Production Manager
Leslie Bricusse
Songs
Richard Lang
Assistant Director
Paddy Carpenter
Second Assistant Director
Ray Corbett
Second Assistant Director
June Santantonio
Script Supervisor
Ben Nye
Makeup Artist
Margaret Donovan
Hairstylist