Well, to make a long story short, Sean Penn is not Jewish!
Since Sean Penn's mother is not Jewish, and in Orthodox Judaism and Conservative Judaism, those with a Jewish mother (or those who underwent a halakhic conversion) are considered Jewish, then that makes him not Jewish. Though he is not Jewish, His father is Jewish , and by Reform Judaism and Reconstructionist Judaism, who accept both matrilineal (by mother) and patrilineal (by father) descent views, he is considered Jewish.
Sean Penn (whose full birth name is Sean Justin Penn) was born on August 17, 1960 in Los Angeles County, California, U.S..
He is a two-time Academy Award winner for his roles in Mystic River (2003) and Milk (2008), as well as the recipient of a Golden Globe Award for the former and a Screen Actors Guild Award for the latter.
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