Acting
Dennis O'Neill is a Welsh operatic tenor and recording artist.
Kiri Te Kanawa: A Celebration Live at the Royal Albert Hall
as Self
Andrew Lloyd Webber: The Royal Albert Hall Celebration
as Self - Performer
Aida
as Radames
Mefistofele
as Faust
Verdi: Macbeth
as Macduff
Der Rosenkavalier
as Sänger
Die Fledermaus
as Alfred
