Eli David Marienthal (born March 6, 1986) is an American stage, screen and voice actor.
Marienthal was born in Santa Monica, California, the son of Lola Marienthal, who manufactures bags made of organically grown cotton, and Joseph Cross, a journalist. Marienthal is Jewish and has two siblings, actors Harley Cross and Flora Cross. After his parents' divorce, he lived mainly in Berkeley with his mother, though during the 3rd and 4th grades he spent some time in Paris with his father. Marienthal graduated from the private East Bay French-American School, where all the students learn to speak fluent French and attend classes in two languages.
Marienthal's hobbies include writing slam poetry and participating in spoken word competitions, as well as boxing, skydiving, rock climbing and snowboarding.