The Willards from Terre Haute, Indiana travels abroad for the once-in-a-lifetime vacation in Paris, France. Harry Willard believes that the greatest problem will be avoiding tap water, but bringing his three children will prove to be more troublesome
as Harry Willard
as Katherine "Katie" Willard
as Nick O'Mara
as Amy Willard
as Countessa 'La Comtesse' DuFresne
as Elliott Willard
as Madame Clebert
as Skipper Willard
as Rudolph Hunschak
as The Girl
as Horace Bidwell
as Judge Henderson
as The Tight Suit
as Mrs. Henderson
as Ship's Librarian
as Party Guest
as Ship Passenger