bˈɪm wʌz ˈɔːlweɪz plˈeɪd baɪ ɹeɪdˈʌnski, bˌʌt bˈɑːm wʌz plˈeɪd baɪ sˈɛvɹəl dˈɪfɹənt ˌɪndᵻvˈɪdʒuːəlz, ɐmˌʌŋ ðˌɛm vˈiːɾəli lˌæzɐɹˈɛŋkoʊ, kˈɔːɹɾɛsi ɐ ɹˈʌsiənˌaɪzd ɪtˈæliən, stˈeɪnvski ɐ pˈoʊl, ɐn ɐkˈɑːmplɪʃt mjuːzˈɪʃən wˈɪlkzæk ænd kˈæmski ɐ ɹˈʌʃən.
Bim was always played by Radunsky, but Bom was played by several different individuals, among them Vitaly Lazarenko, Cortesi (a Russianized Italian), Stanevsky (a Pole), an accomplished musician Wilczak and Kamsky (a Russian).