List of Famous people born on April 21st

Carey W. Hayes is an American screenwriter and producer. He is the twin brother of Chad Hayes. They are writing partners, and wrote such films as the 2005 remake of House of Wax, The Reaping (2007) and The Conjuring (2013). The two also appeared in Rad, a sports film directed by Hal Needham, as well as Doublemint Gum commercials in their early years of acting in the 1980s.

Chad Hayes is an American screenwriter and producer, and twin brother of Carey Hayes. They are writing partners, and wrote such films as the 2005 remake of House of Wax, The Reaping (2007) and The Conjuring (2013). He and Carey also starred in Doublemint gum commercials in their childhood.

Kenneth M. Duberstein served as U.S. President Ronald Reagan's White House Chief of Staff from 1988 to 1989.

Russell Boyd, ACS, ASC, is an Australian cinematographer. He rose to prominence with his highly praised work on Picnic at Hanging Rock (1975), the first of several collaborations with director Peter Weir. Boyd is a member of both the Australian Cinematographers Society since 1975 and the American Society of Cinematographers since 2004.

Vincenzo Paglia is an Italian prelate of the Roman Catholic Church. He is President of the Pontifical Academy for Life and Grand Chancellor of the John Paul II Pontifical Theological Institute for Marriage and Family Sciences. He was President of the Pontifical Council for the Family from 2012 to 2016 and Bishop of Terni-Narni-Amelia, Italy, from 2000 to 2012. He was a co-founder of the Community of Sant'Egidio in 1968.