A veterinarian who can communicate with animals travels abroad to search for a giant sea snail.

Rex Harrisonas Dr. John Dolittle
Samantha Eggaras Emma Fairfax
Anthony Newleyas Matthew Mugg
Richard Attenboroughas Albert Blossom
Peter Bullas General Bellowes
Muriel Landersas Mrs. Blossom
William Dixas Tommy Stubbins
Geoffrey Holderas William Shakespeare X
Portia Nelsonas Sarah Dolittle
Norma Vardenas Lady Fetherington
Robert Surtees