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Bibi Andersson as Lena/fröken Blå, fröken Grön, fröken Vit, fröken Röd |
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Sven Lindberg as Sven, arkitekt, Lenas man |
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Sigge Fürst as Adolf Gusander, en nattlig vandrare, filmvisare |
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Lars Ekborg as Pelle, vännen i huset |
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Sif Ruud as telefonisten |
| Costume & Make-Up | Mago | Costume Design |
| Directing | Kenne Fant | Director |
| Art | Bibi Lindström | Production Design |
| Writing | Lars Helgesson | Screenplay |
| Editing | Carl-Olov Skeppstedt | Editor |
| Crew | Max Wilén | Cinematography |
| Sound | Olle Bohlin | Sound |
| Costume & Make-Up | Gullan Westfelt | Makeup Artist |
| Costume & Make-Up | Erik Whiten | Makeup Artist |
| Sound | Lennart Fors | Original Music Composer |
