A successful businessman goes to Italy to arrange for the return of his tycoon-father's body only to discover dad died with his mistress of long standing.
You can now watch Avanti! online on the following streaming providers in the United States.
| Directing | Billy Wilder | Director |
| Writing | I. A. L. Diamond | Screenplay |
| Writing | Billy Wilder | Screenplay |
| Writing | Samuel A. Taylor | Theatre Play |
| Production | Billy Wilder | Producer |
| Camera | Luigi Kuveiller | Director of Photography |
| Editing | Ralph E. Winters | Editor |
| Sound | Carlo Rustichelli | Music |
| Production | Jack Lemmon | Executive Producer |
| Art | Ferdinando Scarfiotti | Art Direction |
