The Infidel (2010 film)

The Infidel is a 2010 British comedy film directed by Josh Appignanesi and written by David Baddiel. The film stars Omid Djalili, Richard Schiff, Yigal Naor and Matt Lucas and revolves around a British Muslim who goes through an identity crisis when he discovers he was adopted as a child, having been born to a Jewish family.

Things change when Mahmud, while clearing out his recently deceased mothers house, stumbles across an adoption certificate. Mahmud learns he was actually adopted by his Muslim parents when he was two weeks old his birth parents were Jewish, and his real name is Solomon Solly Shimshillewitz. This comes as a shock to Mahmud, who is somewhat antiSemitic, exemplified by his relationship with his American Jewish neighbour, Leonard Lenny Goldberg Richard Schiff.During an argument with Lenny, Mahmud lets slip his ethnicity and his real name, and Lenny mentions a similarity to the name, Isaac Izzy Shimshillewitz, a local man, who may be Mahmuds biological father. Mahmud tracks his father to a Jewish old age home. He tries to visit, but a rabbi Matt Lucas refuses him entry, saying it would be a shock for Izzy, a Jewish man, to see his son, a Muslim, and advises him to learn to act more like a Jew if he desires to see his father before he dies. ........

Source: Wikipedia