C.R. MacNamara is a managing director for Coca-Cola in West Berlin during the Cold War, just before the Wall is put up. When Scarlett, the rebellious daughter of his boss, comes to West Berlin, MacNamara has to look after her, but this turns out to be a difficult task when she reveals to be married to a communist.
Unfortunately the movie One, Two, Three is not yet available on Disney Plus.
| Directing | Billy Wilder | Director |
| Camera | Daniel L. Fapp | Director of Photography |
| Editing | Daniel Mandell | Editor |
| Art | Alexandre Trauner | Art Direction |
| Production | Billy Wilder | Producer |
| Writing | I. A. L. Diamond | Screenplay |
| Crew | Milt Rice | Special Effects |
| Writing | Billy Wilder | Screenplay |
| Production | Werner Fischer | Production Manager |
| Directing | Tom Pevsner | Assistant Director |
| Sound | Richard Carruth | Music Editor |
| Production | William A. Calihan Jr. | Production Manager |
| Sound | Del Harris | Sound Effects Editor |
| Camera | Lothar Winkler | Still Photographer |
| Production | Conrad von Molo | Production Supervisor |
| Sound | André Previn | Conductor |
| Production | I. A. L. Diamond | Associate Producer |
| Writing | Ferenc Molnár | Theatre Play |
| Production | Doane Harrison | Associate Producer |
| Directing | André Smagghe | Second Unit Director |
| Directing | May Wale Brown | Continuity |
| Sound | Basil Fenton-Smith | Sound |