The son of a Holocaust survivor, Dudu (David) Fisher was born in Petach Tikvah, Israel. Fisher served in the Israel Defense Forces, fighting in the Yom Kippur War. After his discharge he studied at the Tel Aviv Academy of Music, becoming the cantor at Tel Aviv's Great Synagogue. Fisher has also served as cantor in South Africa, the Catskill Mountains, and notably, the New York Synagogue.
Fisher starred as Jean Valjean in the musical, Les Misérables, but never on Friday night or Saturday shows, as he is an Orthodox Jew. Fisher has performing for England's Queen Elizabeth II, President Bill and Mrs. Hilary Clinton, the Thai royal family, and orchestras around the world, including the Israeli Philharmonic and the London Symphony. Fisher was the first cantor permitted to perform in the Soviet Union before perestroika, and is the voice of Moses in the Hebrew version of Prince of Egypt.