Biography
Dennis O'Neill is a Welsh operatic tenor and recording artist.
Movies & TV Shows
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Die Fledermaus (1984) — Alfred
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Andrew Lloyd Webber: The Royal Albert Hall Celebration (1998) — Self - Performer
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Der Rosenkavalier (1985) — Sänger
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Verdi: Macbeth (1987) — Macduff
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Mefistofele (1989) — Faust
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Aida (1994) — Radames
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Kiri Te Kanawa: A Celebration Live at the Royal Albert Hall (2007) — Self