Elenco - The Incredible Mr. Limpet
Don Knotts
Henry Limpet
Carole Cook
Bessie Limpet
Jack Weston
George Stickel
Andrew Duggan
Harlock
Larry Keating
Admiral P.P. Spewter
Oscar Beregi Jr.
Nazi Admiral (as Oscar Beregi)
Charles Meredith
Fleet Admiral
Elizabeth MacRae
Ladyfish (voice)
Paul Frees
Crusty (voice)
Wesley Gale
Man Staring Into Window (uncredited)
Peter Adams
Lieutenant (uncredited)Leon Alton
Officer at Fleet Admiral's Meeting (uncredited)
Phil Arnold
Short Fisherman (uncredited)George Bruggeman
Nazi Officer (uncredited)Paul Busch
Sonar Man (uncredited)
Al Checco
Sailor (uncredited)Cordy Clark
Giggling Girl (uncredited)
Roydon Clark
Sailor (uncredited)
Sayre Dearing
Passerby/Naval Officer at Meeting (uncredited)George DeNormand
Nazi Officer (uncredited)Dan Dowling
Naval Officer at Meeting (uncredited)Harold Dyrenforth
U-Boat Captain (uncredited)
Louie Elias
Sailor (uncredited)Lisabeth Field
Miss Barnes (uncredited)Logan Field
Lieutenant (uncredited)Fred Fisher
Officer at Fleet Admiral's Meeting (uncredited)Walter Friedel
Nazi Officer (uncredited)George Golden
Naval Officer at Fleet Admiral Meeting (uncredited)Marv Goux
Nazi Officer (uncredited)John Hale
Sailor (uncredited)Sam Harris
Officer at Fleet Admiral's Briefing (uncredited)
George Holmes
Scientist (uncredited)Joseph La Cava
Officer at Fleet Admiral's Briefing (uncredited)
Mike Lally
Naval Officer at Meeting (uncredited)
Harold Miller
Officer at Fleet Admiral's Briefing (uncredited)
Charles Morton
Boat Captain (uncredited)