
Milquetoast Henry Limpet experiences his fondest wish and is transformed into a fish. As a talking fish he assists the US Navy in hunting German submarines during World War II.

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)
Leon Alton
Officer at Fleet Admiral's Meeting (uncredited)

Phil Arnold
Short Fisherman (uncredited)

Tomka and His Friends
Tomka and His Friends

The Discussion
The Discussion

Enigma
Enigma

Abbuzze! Der Badesalz-Film
Abbuzze! Der Badesalz-Film

Hart's War
Hart's War

Kangaroo Jack
Kangaroo Jack

Alan & Naomi
Alan & Naomi
Charlotte: A Royal at War
Charlotte: A Royal at War

The Guns of Navarone
The Guns of Navarone

The Ghazi Attack
The Ghazi Attack

Keep 'Em Slugging
Keep 'Em Slugging

James and the Giant Peach
James and the Giant Peach