Jonathan Lippert Keltz (born January 17, 1988) is an American actor known for his role as Jake Steinberg in the HBO series Entourage, and his work in the films Prom (2011) and 21 & Over (2013). He starred as Leith Bayard in The CW's series Reign. In May 2014, Keltz was promoted to series regular for the show's second season, which premiered in October 2014. eltz was born in New York City, the son of Karin Lippert, who worked in public relations, and Martin Keltz, who is a co-founder of Scholastic Productions. After moving to Canada with his family, he attended high school at the Northern Secondary School in Toronto, Ontario. His father is of Polish Jewish descent, while his mother is German (born in Hamburg). Keltz was raised in his father's Jewish religion. Keltz began taking acting classes when he was 10 years old and began working as an actor when he was 16. In Toronto he lived in an apartment once occupied by Keanu Reeves. He currently lives in Los Angeles, California. His parents reside in Toronto.

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