He progressed to leading roles in Cincinnati; including portrayals of Basilio in The Barber of Seville, Dulcamara in L'elisir d'amore, Escamillo in Carmen, Scarpia in Tosca, Sharpless in Madame Butterfly, and Timur in Turandot.
[2] Fox's first performance of note came in 1975 at the Houston Grand Opera when he created the role of Mr. Zelley in the world premiere of Carlisle Floyd's Bilby's Doll.
In 1991 he returned to the SFO to portray Ryuji Tsukazaki in the United States premiere of Hans Werner Henze's Das Verratene Meer.
[4] In 1994 Fox made his debut at the Teatro Comunale di Bologna as Baron Jaroslav Prus in The Makropulos Affair.
In 1995 he made his first appearances at the Salzburg Festival (Lulu), the Bavarian State Opera (as Klingsor Parsifal), and at the Municipal Theatre of Santiago (as Wotan in Die Walküre).