Allegra Dewi Carpenter was born in Amsterdam, the Netherlands in 1990. From the age of two months, she lived and grew up in Bali, Indonesia and later completed her high school education in Perth, Western Australia. In 2010, Allegra moved to Los Angeles to receive her tertiary education, while continuing courses on acting. She booked her first movie role in the 2012 Oscar winning Warner's Brothers picture, Argo, playing a British Airways flight attendant.