Ku dhammaystir weedha soo socota: Rooney wuxuu markii ugu horreysay ka soo muuqday vaudeville isagoo ah jilaa ilmo ah, wuxuuna sameeyay filimkiisii ugu horreeyay isagoo 6 jir ah. Wuxuu ciyaaray dabeecadda cinwaanka ee taxanaha caanka ah ee "Mickey McGuire" oo ka kooban 78 filim oo gaagaaban, laga bilaabo da'da 7 ilaa 13. Markii uu jiray 14 iyo 15 sano, wuxuu ciyaaray Puck ciyaarta iyo filimka dambe ee la qabsashada ee "A Midsummer Night's Dream". Markii uu ahaa 16 jir wuxuu bilaabay inuu ciyaaro Andy Hardy, wuxuuna helay aqoonsigii ugu horreeyay markii uu ahaa 17 jirka Whitey Marsh ee "Boys Town". Markii uu 19 jirka ahaa, Mickey Rooney wuxuu noqday ninkii labaad ee ugu da'da yaraa ee loo magacaabay Actor-ka ugu Fiican doorka Hogaamiyaha ah iyo da'yarkii ugu horreeyay ee loo magacaabo abaalmarinta Academy Award ee waxqabadkiisa Mickey Moran ee 1939 filimka la qabsiga muusikada Broadway ee soo socota ee "Babes in Arms"; waxaa la siiyay abaalmarinta gaarka ah ee Academy Juvenile Award ee
Sanadkii 1939kii Rooney wuxuu helay magacaabistiisii labaad ee Oscar ee isla qaybtaas doorkiisa Homer Macauley ee "The Human Comedy". 23 jirka, waxay sidoo kale ka dhigtay musharaxa saddexaad ee ugu da'da yar isla qaybtaas ka hor inta uusan ka badin Timothée Chalamet oo 22 jir ah doorkiisa Elio Perlman ee filimka riwaayadaha jaceylka ah ee soo socda ee loo yaqaan "Call Me by Your Name", 2017, 74 sano kadib.