[3] Highly prolific with over 100 credits to his name, Rusoff is best remembered for his work adapting and performing English-language dialogue for countless Italian genre films.
Rusoff started his career as a singer, appearing in operas, musical comedies, and on the road in various cities in Canada and the United States with his guitar during the folk-singing boom of the late 1950s and early 1960s.
In 1963, he relocated to Europe, where using his knowledge of languages, began overseeing the dubbing of English-language AIP films into Italian, French, and German.
He has also sync-adapted, acted in, and directed the dubbing of films shot in Turkish, Finnish, Greek, Danish, Hebrew, and Korean as well as the standard European cinema languages.
Rusoff also played the Chief Elder in Mel Gibson's controversial Biblical epic The Passion of the Christ (2004) and Julius Caesar's Greek slave Strabo in the popular HBO series Rome (2005–2007).