Mr. Peabody
William Powell
Mermaid
Ann Blyth
Nurse
Cynthia Corley
Basil
Frederick Clarke
Mrs. Polly Peabody
Irene Hervey
Cathy Livingston
Andrea King
Mike Fitzgerald
Clinton Sundberg
Dr. Harvey
Art Smith
Major Hadley
Hugh French
Mother
Beatrice Roberts
Col. Mandrake
Lumsden Hare
Wee Shop Clerk
Mary Field
Screenplay
Nunnally Johnson
Producer
Art Direction
Boris Leven
Director
Irving Pichel
Makeup Artist
Bud Westmore
Novel
Guy Jones
Editor
Marjorie Fowler
Bernard Herzbrun
Set Decoration
Russell A. Gausman
Ruby R. Levitt
Costume Design
Grace Houston
Hairstylist
Carmen Dirigo
Assistant Director
Fred Frank
Camera Operator
Philip H. Lathrop
Director of Photography
Russell Metty
Original Music Composer
Robert Emmett Dolan
Script Supervisor
Julia Marcia Davies
Still Photographer
Maurice Goldberg