Rupp lived in Vienna towards the end of his life.
He retired from film and television acting in 1995. From 1985 he performed at the Theater in der Josefstadt in Vienna on stage. Assisted by the daughter of a puppeteer and an anti-German nun, the two reluctant heroes accompany. When they try to help the airmen keep a rendez-vous at the Turkish baths in Paris, Augustin and Stanislas quickly find that they themselves have become targets for the German soldiers.
However, he portrayed several TV characters afterwards, notably in Tatort as Investigator Kressin between 19. The third ends up in the otter enclosure of a Parisian zoo. During the 1970s, his film career diminished. He appeared in many other Westerns in the 1960s such as Blood at Sundown (1966) although he appeared in the romantic adventure Angelique and the Sultan in 1968. His most noted Western performance was his role as Esteban Rojo in Sergio Leone's 1964 production A Fistful of Dollars alongside Clint Eastwood and Gian Maria Volonté. His dark features, similar to those of his Italian co-stars meant that he could play Latin characters, such as Mexicans.
He became known for his performances in gangster or Western films in the 1960s where he typically portrayed a bandit or mercenary. Surtout, le film fait l’étalage de tous les types d’humour comique de situation, burlesque, jeux de mots, absurde ce qui ne laisse aucun répit au spectateur.
He made over 55 film and TV appearances beginning in 1959, with his career peaking in the 1960s. Sieghardt Rupp (14 June 1931 – 20 July 2015) was an Austrian actor who performed in film, television and theatre.