He found work primarily in films including and the original Bedazzled (1967) with Peter Cook and Dudley Moore.

[3] In 1969, Steiner was hired to play a part in the Spaghetti Western Tepepa, and also appeared opposite Franco Nero in White Fang, directed by Lucio Fulci.

He also became a favourite of famed Italian filmmaker Tinto Brass, featuring in Salon Kitty, the infamous Caligula, Action, and Paprika.

As the Italian film industry dwindled, Steiner retired from acting in 1991 and moved to California, where he became a successful real estate agent.

[8] He later married, and is survived by his wife of over 30 years In addition to English, Steiner spoke French, Italian, and German.