Dennis O'Neill is a Welsh operatic tenor and recording artist.

| Title | ||||||
|---|---|---|---|---|---|---|
Die Fledermaus | Alfred | 8.2 | 1984-01-01 | 2.4902 | ||
Der Rosenkavalier | Sänger | 8.3 | 1985-03-30 | 0.2786 | ||
Mefistofele | Faust | 10 | 1989-01-01 | 0.3229 | ||
Aida | Radames | 8 | 1994-06-27 | 0.8152 | ||
Verdi: Macbeth | Macduff | 7 | 1987-06-19 | 0.2962 | ||
Kiri Te Kanawa: A Celebration Live at the Royal Albert Hall | Self | 0 | 2007-08-14 | 0.4233 | ||
Andrew Lloyd Webber: The Royal Albert Hall Celebration | Self - Performer | 7.6 | 1998-06-06 | 0.8841 |