Cast & crew
What? (1972)
Directed by Roman Polanski Written by Roman Polanski, Gérard Brach
Cast
| Sydne Rome | Nancy Taylor |
| Hugh Griffith | Joseph |
| Guido Alberti | Priest |
| Roman Polanski | Mosquito |
| Dieter Hallervorden | German D.E.B. |
| Romolo Valli | Giovanni Cappa |
| Richard McNamara | Charlie |
| John Karlsen | Edward |
| Livio Galassi | |
| Alvaro Vitali | Painter |
| Renate Langer | (uncredited) |
| Marcello Mastroianni | Alex Beecham |
| Pietro Tordi | Servant |
| Henning Schlüter | Catone |
| Gianfranco Piacentini | Tony |
| Christiane Barry | Queen's Dresser |
| Mogens von Gadow | German D.E.B. |
| Carla Mancini | |
| Nerina Montagnani | |
| Franco Pesce |
Crew
| Roman Polanski | Screenplay |
| Gérard Brach | Screenplay |
| Roman Polanski | Director |
| Alastair McIntyre | Editor |
| Piero Fondi | Sound |
| Otello Spila | Camera Operator |
| Peter Keen | Sound Editor |
| Giuseppe Banchelli | Makeup Artist |
| Amalia Paoletti | Hairstylist |
| Fausto Ancillai | Sound Re-Recording Mixer |
| Claudio Gizzi | Original Music Composer |
| Giuseppe Ruzzolini | Director of Photography |
| Marcello Gatti | Director of Photography |
| Aurelio Crugnola | Production Design |
| Elvira D'Amico | Script Supervisor |
| Franco Fumagalli | Art Direction |
| Adriana Berselli | Costume Design |
| Carlo Ponti | Producer |