Anne Bancroft was a convert to Judaism in 1964. She played an unforgettable central role as Mary Magdalen.
Rod Steiger, Jewish, the American actor had Jewish ancestry on his father’s side and was connected to Jewish cultural roots. He likewise played an unforgettable central role as Pontius Pilate in the series starring Robert Powell (who is not Jewish) as Jesus.
Cyril Shaps – was an English character actor born to Polish-Jewish parents. He played the Possessed Boy’s Father who pleaded with Jesus to heal his son.

“Jesus of Nazareth (Italian: Gesù di Nazareth) is a 1977 epic television drama serial directed by Franco Zeffirelli & cowritten by Anthony Burgess & Suso Cecchi d’Amico. The series dramatized the birth, life, ministry, crucifixion and resurrection of Jesus. It stars Robert Powell as Jesus, and features an all- star ensemble cast of renowned actors, including seven who had won or would go on to win Academy Awards: Anne Bancroft, Ernest Borgnine, Laurence Olivier, Christopher Plummer, Anthony Quinn, Rod Steiger, and Peter Ustinov; and James Earl Jones who received an Academy Honorary Award.” — Wikipedia
