- Alan Blyth
- , revised by Anne Shelley
(b Washington DC, Dec 14, 1927; d Boston, MA, Jan 30, 1998). American tenor. Cassilly studied at the Peabody Conservatory with Hanz Heinz and Rosa Ponselle. In 1954, he made his debut as a concert singer with the Pittsburgh Symphony and, later that year, he sang in Menotti’s The Saint of Bleecker Street on Broadway. As Vakula in P.I. Tchaikovsky’s Cherevichki, Cassilly began his long engagement with the New York City Opera that included more than 55 diverse leading roles. In 1959, he appeared for the first time at the Chicago Lyric Opera, as Laca in Jenůfa. From 1965 until the mid-1970s, he was a leading tenor at the Hamburg Staatsoper and the Deutsche Oper, Berlin. His first appearance at Covent Garden was as Laca in 1968, and he returned as Siegmund, Florestan, Othello, Peter Grimes (an imaginative portrayal), which he also sang for Scottish Opera, and a Tannhäuser particularly praised for its clear enunciation and total involvement in the character. He debuted at the Vienna Staatsoper (Tannhäuser), Munich (Othello), and La Scala (Samson) in ...