Rex Harrison character Dr. John Dolittle
Samantha Eggar character Emma Fairfax
Anthony Newley character Matthew Mugg
Richard Attenborough character Albert Blossom
Peter Bull character General Bellowes
Muriel Landers character Mrs. Blossom
William Dix character Tommy Stubbins
Geoffrey Holder character William Shakespeare X
Portia Nelson character Sarah Dolittle
Norma Varden character Lady Fetherington
Frank Baker character Trial Spectator (uncredited)
Edward Cast character Prison Guard (uncredited)
Phyllis Coghlan character Courtroom Spectator (uncredited)
Robert Cole character Roustabout (uncredited)
Cyril Cross character Charlie (uncredited)
Peter Crowcroft character Assistant Judge (uncredited)
John Dolan character Fisherman (uncredited)
Jesslyn Fax character Old Woman (uncredited)
Arthur Gould-Porter character Sir Rupert (uncredited)
Eric Heath character Courtroom Spectator (uncredited)
Lars Hensen character Minor Role (uncredited)
Kendrick Huxham character Elderly Man (uncredited)
Theron Jackson character Boy (uncredited)
Queenie Leonard character Courtroom Spectator (uncredited)
Frank Radcliffe character Strong Man (uncredited)
Jack Raine character Vicar (uncredited)
Danny Rees character Juggler (uncredited)
Angelo Rossitto character Dwarf (uncredited)
Rufus character Dog (uncredited)
Ted Stanhope character Assistant Judge (uncredited)
Geoffrey Steele character Courtroom Spectator (uncredited)
Gilchrist Stuart character The Vicar (uncredited)
Ginny Tyler character Polynesia (voice) (uncredited)
Bob Winters character Juggler (uncredited)
Judy Chapman character Dancer (uncredited)
