Sieghardt Rupp was an Austrian actor who performed in film, television and theatre.

A Fistful of Dollars is a 1964 spaghetti Western film directed by Sergio Leone and starring Clint Eastwood in his first leading role, alongside Gian Maria Volonté, Marianne Koch, Wolfgang Lukschy, Sieghardt Rupp, José Calvo, Antonio Prieto and Joseph Egger. The film, an international co-production between Italy, West Germany and Spain, was filmed on a low budget, and Eastwood was paid $15,000 for his role.