Avanti! is a 1972 American

Cinema of the United States

The cinema of the United States, also known as Hollywood, has had a profound effect on cinema across the world since the early 20th century. Its history is sometimes separated into four main periods: the silent film era, classical Hollywood cinema, New Hollywood, and the contemporary period...

/Italian

Cinema of Italy

The history of Italian cinema began just a few months after the Lumière brothers had patented their Cinematographe, when Pope Leo XIII was filmed for a few seconds in the act of blessing the camera.-Early years:...

 comedy film

Comedy film

Comedy film is a genre of film in which the main emphasis is on humour. They are designed to elicit laughter from the audience. Comedies are mostly light-hearted dramas and are made to amuse and entertain the audiences...

 produced and directed by Billy Wilder

Billy Wilder

Billy Wilder was an Austro-Hungarian born American filmmaker, screenwriter, producer, artist, and journalist, whose career spanned more than 50 years and 60 films. He is regarded as one of the most brilliant and versatile filmmakers of Hollywood's golden age...

. The film starred Jack Lemmon

Jack Lemmon

John Uhler "Jack" Lemmon III was an American actor and musician. He starred in more than 60 films including Some Like It Hot, The Apartment, Mister Roberts , Days of Wine and Roses, The Great Race, Irma la Douce, The Odd Couple, Save the Tiger John Uhler "Jack" Lemmon III (February 8, 1925June...

 and Juliet Mills. The screenplay by Wilder and I.A.L. Diamond is based on the 1968 play of the same title by Samuel Taylor

Samuel A. Taylor

Samuel A. Taylor was an American playwright and screenwriter.Born Samuel Albert Tanenbaum, in a Jewish family, in Chicago, Illinois, Taylor made his Broadway debut as author of the play The Happy Time in 1950. He wrote the play Sabrina Fair in 1953 and co-wrote its film adaptation the following year...

.
For the past ten years, Baltimore

Baltimore

Baltimore is the largest independent city in the United States and the largest city and cultural center of the US state of Maryland. The city is located in central Maryland along the tidal portion of the Patapsco River, an arm of the Chesapeake Bay. Baltimore is sometimes referred to as Baltimore...

 industrialist Wendell Armbruster has been spending the month of August at the Grand Hotel Excelsior in Ischia

Ischia

Ischia is a volcanic island in the Tyrrhenian Sea. It lies at the northern end of the Gulf of Naples, about 30 km from the city of Naples. It is the largest of the Phlegrean Islands. Roughly trapezoidal in shape, it measures around 10 km east to west and 7 km north to south and has...

, allegedly to soak in the therapeutic mud bath

Mud bath

A mud bath is a bath of mud, commonly from areas where hot spring water can combine with volcanic ash. Mud baths have existed for thousands of years, and can be found now in high-end spas in many countries of the world....

s for which the resort island is known.