“The Warden was played by the baritone, Oscar Castellino, who gave a strong portrayal as a bit of a hard ass. His had a limited degree of sympathy for Sister Helen, but had been too long in the job. He had seen it all before. His voice has a warm and pleasing timbre, which he used intelligently and brought depth to the part.” about the role of George Benton at Welsh National Opera by OperaWire

“Oscar Castellino’s fervent James Meredith … was a highlight” – The Times, United Kingdom, July 2016
“Oscar Castellino, mesmerising as Meredith, has a commanding stage presence that belies his diminutive stature.” – David Nicholson, The Morning Star, UK, August 2016

“notably Oscar Castellino as James Meredith, who sang with authority throughout and conveyed something of Meredith’s stubborn individuality” – Glyn Pursglove, Seen and Heard International, July 2016
“the figure of James Meredith sensitively portrayed by Oscar Castellino was particularly striking.” – Steph Power, Wales Arts Review, July 2016
“…the impressive professional quality of these young voices, particularly Oscar Castellino,..” – Mike Smith, Arts Scene in Wales, August 2016
“Oscar Castellino a fine Marcello”
– Brian Hick, Hastings Observer, 2017