Don Knotts, Carole Cook, Jack Weston, Andrew Duggan, Larry Keating, Oscar Beregi Jr., Charles Meredith, Elizabeth MacRae, Paul Frees, Wesley Gale, Peter Adams, Leon Alton, Phil Arnold, George Bruggeman, Paul Busch
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.