Greg Castiglioni recently appeared as Gus the theatre cat in the international tour of 'Cats'. He played Thomas Andrews in 'Titanic' at the Princess of Wales Theatre in Toronto, following the show's UK premier at the Southwark Playhouse in London and played Magaldi in Michael Grandage's London revival of 'Evita' before it's Broadway transfer. He has appeared as the Phantom ('The Phantom of the Opera' 25th Anniversary UK tour), as Thénardier in Les Misérables (Queens, London) and originated the role of the operatic diva parrot Baalthazar Macaw, in Robbie Sherman's new musical 'Love Birds' (Pleasance, Edinburgh)
Other credits include: Gus & Bustopher Jones in 'Cats' (RCI Productions, Miami); Algernon Moncrieff in 'The Importance Of Being Earnest' (tour), Paul in 'Company' (Southwark Playhouse, London); alternate Rusty in 'Starlight Express' (Germany); for Opera Della Luna, Luiz in 'The Gondoliers' and Pluto in 'Orpheus in the Underworld' (Lowry, Manchester); Master Low-Water in 'No Wit/Help Like A Woman's' (Shakespeare's Globe); u/s Tito in 'Lend Me A Tenor The Musical' (Theatre Royal, Plymouth); 'Les Miserables' (Palace, London & UK tour); 'Hair' (Oslo Spektrum).
Greg has performed in numerous concerts in the UK and internationally. He recently recorded backing vocals for Adele’s current Australian tour and in the summer of 2014 took part in the staged concert version of 'Kiss Me Kate' at the BBC Proms (Royal Albert Hall). He is part of the original quartet of singers for 'A Spoonful of Sherman' (St James Studio) celebrating the acclaimed music of the Sherman brothers; and in Germany organised gala concerts for both UNICEF and for the Jose Carreras leukemia fund which lead him to sing with Sister Sledge for President Gorbachev.
He can be heard as A-Rab in the 'West Side Story' 50th Anniversary recording (Decca Records); in the cast recordings of 'Love Birds'; 'A Spoonful of Sherman'; 'Evita' (2006 revival); the 'Starlight Express' 2002 German cast recording and on the film soundtrack of ‘Mamma Mia!’. He co-wrote and composed 'Let Him Have Justice' (T.E.Records), a musical based on the Derek Bentley case which opened at the Cochrane Theatre as part of the Covent Garden Festival.
Greg trained at the Mountview Theatre school in London. He was born and raised in Italy, speaks 4 languages and is a Law graduate from the University of Westminster.