I would class it 'moped'. The movie is Spanish, shot in Madrid, where the industry was still heavily protected, so we have to look for a local brand, even if the machine looks very French or Italian.
Mmmh
Derbi Antorcha, see /vehicles_make-Derbi_model-Antorcha.html and specially /vehicle_236729-Derbi-Antorcha-1965.html#Comment583435 (¡Hola, vilero! ¿Cómo estás?)
