A long-term member of the Staatsoper Stuttgart, he appeared in leading roles such as Verdi's Nabucco and Rigoletto at international opera houses and festivals, including world premieres.

In the 1957/58, he appeared as a guest as Verdi's Rigoletto at the Staatstheater Stuttgart, which earned him a contract with the theatre and was the beginning of an international career.

[1] Wolansky also appeared as a guest internationally, including in the title role of Verdi's Nabucco at the Opernhaus Zürich in 1954, in 1959 as Count Almaviva in Mozart's Le nozze di Figaro, and in 1962 as Amfortas in Wagner's Parsifal at the Teatro Colón in Buenos Aires.

[1] He appeared at festivals such as the Glyndebourne, Edinburgh and Schwetzingen, where he played the title role of Hermann Reutter's Der Tod des Empedokles in its world premiere in 1966.

[1] There, he also appeared in 1972 as Ashton in a performance of Donizetti's Lucia di Lammermoor which was recorded live, conducted by Jesús López Cobos, with Beverly Sills in the title role and Luciano Pavarotti as Edgardo.