Born in Livorno, Sibaldi was considered to be among the most successful of the early actors and dubbers of the 20th century.

He began his acting career in 1928 staying within the field of stage and screen and he worked alongside many related people within his ventures such as Carlo Veneziani and Armando Falconi.

Among the actors he dubbed included Frank Sinatra, Glenn Ford, Louis de Funès, Fred Astaire, Richard Widmark, Groucho Marx, Danny Kaye and many more.

In his Italian dubbed animated roles, he voiced Timothy Q.

Media related to Stefano Sibaldi at Wikimedia Commons