ɪn tˈuː θˈaʊzənd twˈɛlv, mˈækɪnən wʌz sᵻlˈɛktᵻd tə plˈeɪ sˌɜːɹ ˈændɹuː ˈeɪɡtʃiːk ɪnðɪ ˌɑːɹɹˌɛssˈiːz tˈuː θˈaʊzənd twˈɛlv pɹədˈʌkʃən ʌv twˈɛlfθ nˈaɪt, dᵻɹˈɛktᵻd baɪ dˈeɪvɪd fˈɑːɹ.
In 2012, Mackinnon was selected to play Sir Andrew Aguecheek in the RSC's 2012 production of Twelfth Night, directed by David Farr.