hˈɑːɹɡɹiːvz wʌz mˈeɪnli ɐ fˈɪlm ˈæktɚ, bˌʌt ɪz wˈɛlɹᵻmˈɛmbɚd baɪ ɔːstɹˈeɪliən ˈɔːdiənsᵻz fɚðə tˈaɪɾəl ɹˈoʊl ɪnðə tˌiːvˈiː dɹˈɑːmə jˈʌŋ ɹˈæmseɪ ɪnðə nˈaɪntiːnhˈʌndɹɪd sˈɛvənti z ænd wˈɜːkt ɪn ɐ nˈʌmbɚɹ ʌv stˈeɪdʒ pɹədˈʌkʃənz.
Hargreaves was mainly a film actor, but is well-remembered by Australian audiences for the title role in the TV drama Young Ramsay in the 1970s and worked in a number of stage productions.