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)
