Alastair Miles was born in Harrow and studied flute at the Guildhall School of Music before embarking on his highly successful vocal career.  He has a stylistically wide repertoire, and has made over seventy recordings.

In the UK Alastair Miles appears regularly at the Royal Opera House, Covent Garden and English National Opera, as well as Welsh National Opera, Opera North and Glyndebourne. His recent roles include Narbal in Les Troyens for Netherlands Opera, Creonte in Medea in Corinto for Bayerische Staatsoper, Zaccaria in Nabucco for Wiener Staatsoper, Pogner in Die Meistersinger for Glyndebourne Festival and Netherlands Opera, Poliferno in Niobe, Regina di Tebe at Covent Garden, Osmin in Die Entführung aus dem Serail with the O.A.E. (Labadie), Duke Alfonso in Lucrezia Borgia for E.N.O., Claudio in Agrippina for Opéra de Dijon and Opéra de Lille with Emmanuelle Haim,  Daland in Der fliegende Holländer for Opéra Royal de Wallonie, Liège and Philip II in Don Carlo for the Deutsche Oper Berlin.

On the concert platform Alastair has appeared with the world's leading orchestras and conductors; highlights include Schumann's Faustszenen with Nikolaus Harnoncourt and the Royal Concertgebouw Orchestra and with the Munich Radio Orchestra, Handel's Messiah with the New York Philharmonic, Sarastro in Mozart's Die Zauberflöte with Daniel Harding at the Lucerne Festival and J.S. Bach's St Matthew Passion with the Dallas Symphony Orchestra.