ɪn nˈaɪntiːnhˈʌndɹɪd fˈɪfti sˈɪks, bɹˈiəli ˈæktᵻd ɪn hɪz fˈɜːst ɹˈoʊl ɪnðə ʃˈɔːɹt fˈɪlm lə kˈuːp dˈuː bˈɜːdʒɚ fˈuːlz mˈeɪt baɪ ʒˈæk ɹɪvˈɛt.
In 1956, Brialy acted in his first role in the short film Le coup du berger (Fool's Mate) by Jacques Rivette.