Flavio Bucci as Il sociologo

Aurore Clément as Giovane signora

Tony Kendall as Roberto Vinci

Ettore Manni as Questore

Giuliano Gemma as Il pistolero

Brizio Montinaro as Commissario

Loris Bazzocchi as Agente in borghese

William Berger as 2° pistolero

Luciano Catenacci as Vice Questore

Alfredo Pea as Garzone

Gabriele Tozzi as Controllore

Angela Serraino as Ragazza bionda

Elisabetta Virgili as Adolescente

Maria Pia Attanasio as Vecchia signora

Micaela Pignatelli as Accompagnatrice

Laura D'Angelo as Maschera al cinema

Giovanni Di Benedetto as Nonno

Umberto Gradi as Bambino

Mattia Sbragia as Adolescente

Giorgio Cerioni as Duro #1

Franco Balducci as Duro #2

Guerrino Crivello as Piccoletto

Agla Marsili as Cassiera

Franco Mazzieri as Barista

Enzo Spitaleri as Signore alto e solitario

Attilio Duse as Direttore del cinema

Annabella Andreoli as Spettatrice

Antonio Bonifacio as Giovane bruno

Luciano Rossi as Assistente proiezionista

Luigi Uzzo as Fumatore

Sergio Doria as Giovane signore

Mario Cecchi as Uomo in grigio

Marzio Honorato as Regista

Gino Usai as Poliziotto

Gianni Ottaviani as Magistrato

Michela Martini as Ragazza controllore

Dina Sassoli as Padrona pensione

Pino Lorin as Giornalista

Conchita Airoldi as Giornalista

Gennarino Pappagalli as Colonnello SID

Bruno Di Geronimo as Produttore

Irene Bignardi as Intervistatrice

Federico Neri as (voice) (uncredited)