The Big Mouth (1967)

A fisherman crosses paths with a diamond-smuggling gangster–who is his doppelgänger—and inadvertently takes his place at a resort hotel where he meets a special girl.

Directed by: Jerry Lewis

Starring: Jerry Lewis, Harold J. Stone, Susan Bay Nimoy, Buddy Lester, Del Moore, Paul Lambert

Links: Columbia Pictures, IMDb, Movie posters, Movie stills