Born in Bregenz, Walter Fink completed his education in Vienna, studying singing and ancient philology. He joined the Opera Studio of the Vienna State Opera in 1977, making his first appearance in the house in the same year as the gaoler in Tosca. From 1982 to 1991 he worked in Bremen, before returning to join the company at the Vienna State Opera. Guest appearances have taken him to Berlin, Lyon, the Bregenz Festival, Toulouse, Mannheim and Düsseldorf. At the Vienna State Opera he has undertaken some seventy rôles in more than 650 performances, including Sarastro, Osmin, Basilio in Il Barbiere di Siviglia, Rocco in Fidelio, Kaspar in Der Freischütz, Varlaam in Boris Godunov, King Henry in Lohengrin, Veit Pogner in Die Meistersinger von Nürnberg, Titurel in Parsifal, Daland in Der fliegende Holländer, Fafner in Siegfried, Melcthal in Guillaume Tell and Cardinal Brogni in La juive. In 2001 he was awarded the title of Kammersänger.